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 /*=============================================================================
     Phoenix V1.2.1
     Copyright (c) 2001-2002 Joel de Guzman
 
   Distributed under the Boost Software License, Version 1.0. (See accompanying
   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
 #ifndef BOOST_SPIRIT_CLASSIC_PHOENIX_OPERATORS_HPP
 #define BOOST_SPIRIT_CLASSIC_PHOENIX_OPERATORS_HPP
 
 ///////////////////////////////////////////////////////////////////////////////
 #if !defined(BOOST_NO_CWCTYPE)
     #include <cwctype>
 #endif
 
 #if (defined(__BORLANDC__) && !defined(__clang__)) || (defined(__ICL) && __ICL >= 700)
 #define CREF const&
 #else
 #define CREF
 #endif
 
 #include <climits>
 #include <boost/spirit/home/classic/phoenix/actor.hpp>
 #include <boost/spirit/home/classic/phoenix/composite.hpp>
 #include <boost/config.hpp>
 #include <boost/mpl/if.hpp>
 
 ///////////////////////////////////////////////////////////////////////////////
 namespace phoenix {
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  Operators
 //
 //      Lazy operators
 //
 //      This class provides a mechanism for lazily evaluating operators.
 //      Syntactically, a lazy operator looks like an ordinary C/C++
 //      infix, prefix or postfix operator. The operator application
 //      looks the same. However, unlike ordinary operators, the actual
 //      operator execution is deferred. (see actor.hpp, primitives.hpp
 //      and composite.hpp for an overview). Samples:
 //
 //          arg1 + arg2
 //          1 + arg1 * arg2
 //          1 / -arg1
 //          arg1 < 150
 //
 //      T1 set of classes implement all the C++ free operators. Like
 //      lazy functions (see functions.hpp), lazy operators are not
 //      immediately executed when invoked. Instead, a composite (see
 //      composite.hpp) object is created and returned to the caller.
 //      Example:
 //
 //          (arg1 + arg2) * arg3
 //
 //      does nothing more than return a composite. T1 second function
 //      call will evaluate the actual operators. Example:
 //
 //          int i = 4, j = 5, k = 6;
 //          cout << ((arg1 + arg2) * arg3)(i, j, k);
 //
 //      will print out "54".
 //
 //      Arbitrarily complex expressions can be lazily evaluated
 //      following three simple rules:
 //
 //          1) Lazy evaluated binary operators apply when at least one
 //          of the operands is an actor object (see actor.hpp and
 //          primitives.hpp). Consequently, if an operand is not an actor
 //          object, it is implicitly converted to an object of type
 //          actor<value<T> > (where T is the original type of the
 //          operand).
 //
 //          2) Lazy evaluated unary operators apply only to operands
 //          which are actor objects.
 //
 //          3) The result of a lazy operator is a composite actor object
 //          that can in turn apply to rule 1.
 //
 //      Example:
 //
 //          arg1 + 3
 //
 //      is a lazy expression involving the operator+. Following rule 1,
 //      lazy evaluation is triggered since arg1 is an instance of an
 //      actor<argument<N> > class (see primitives.hpp). The right
 //      operand <3> is implicitly converted to an actor<value<int> >.
 //      The result of this binary + expression is a composite object,
 //      following rule 3.
 //
 //      Take note that although at least one of the operands must be a
 //      valid actor class in order for lazy evaluation to take effect,
 //      if this is not the case and we still want to lazily evaluate an
 //      expression, we can use var(x), val(x) or cref(x) to transform
 //      the operand into a valid action object (see primitives.hpp).
 //      Example:
 //
 //          val(1) << 3;
 //
 //      Supported operators:
 //
 //          Unary operators:
 //
 //              prefix:   ~, !, -, +, ++, --, & (reference), * (dereference)
 //              postfix:  ++, --
 //
 //          Binary operators:
 //
 //              =, [], +=, -=, *=, /=, %=, &=, |=, ^=, <<=, >>=
 //              +, -, *, /, %, &, |, ^, <<, >>
 //              ==, !=, <, >, <=, >=
 //              &&, ||
 //
 //      Each operator has a special tag type associated with it. For
 //      example the binary + operator has a plus_op tag type associated
 //      with it. This is used to specialize either the unary_operator or
 //      binary_operator template classes (see unary_operator and
 //      binary_operator below). Specializations of these unary_operator
 //      and binary_operator are the actual workhorses that implement the
 //      operations. The behavior of each lazy operator depends on these
 //      unary_operator and binary_operator specializations. 'preset'
 //      specializations conform to the canonical operator rules modeled
 //      by the behavior of integers and pointers:
 //
 //          Prefix -, + and ~ accept constant arguments and return an
 //          object by value.
 //
 //          The ! accept constant arguments and returns a boolean
 //          result.
 //
 //          The & (address-of), * (dereference) both return a reference
 //          to an object.
 //
 //          Prefix ++ returns a reference to its mutable argument after
 //          it is incremented.
 //
 //          Postfix ++ returns the mutable argument by value before it
 //          is incremented.
 //
 //          The += and its family accept mutable right hand side (rhs)
 //          operand and return a reference to the rhs operand.
 //
 //          Infix + and its family accept constant arguments and return
 //          an object by value.
 //
 //          The == and its family accept constant arguments and return a
 //          boolean result.
 //
 //          Operators && and || accept constant arguments and return a
 //          boolean result and are short circuit evaluated as expected.
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  Operator tags
 //
 //      Each C++ operator has a corresponding tag type. This is
 //      used as a means for specializing the unary_operator and
 //      binary_operator (see below). The tag also serves as the
 //      lazy operator type compatible as a composite operation
 //      see (composite.hpp).
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 //  Unary operator tags
 
 struct negative_op;         struct positive_op;
 struct logical_not_op;      struct invert_op;
 struct reference_op;        struct dereference_op;
 struct pre_incr_op;         struct pre_decr_op;
 struct post_incr_op;        struct post_decr_op;
 
 //  Binary operator tags
 
 struct assign_op;           struct index_op;
 struct plus_assign_op;      struct minus_assign_op;
 struct times_assign_op;     struct divide_assign_op;    struct mod_assign_op;
 struct and_assign_op;       struct or_assign_op;        struct xor_assign_op;
 struct shift_l_assign_op;   struct shift_r_assign_op;
 
 struct plus_op;             struct minus_op;
 struct times_op;            struct divide_op;           struct mod_op;
 struct and_op;              struct or_op;               struct xor_op;
 struct shift_l_op;          struct shift_r_op;
 
 struct eq_op;               struct not_eq_op;
 struct lt_op;               struct lt_eq_op;
 struct gt_op;               struct gt_eq_op;
 struct logical_and_op;      struct logical_or_op;
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  unary_operator<TagT, T>
 //
 //      The unary_operator class implements most of the C++ unary
 //      operators. Each specialization is basically a simple static eval
 //      function plus a result_type typedef that determines the return
 //      type of the eval function.
 //
 //      TagT is one of the unary operator tags above and T is the data
 //      type (argument) involved in the operation.
 //
 //      Only the behavior of C/C++ built-in types are taken into account
 //      in the specializations provided below. For user-defined types,
 //      these specializations may still be used provided that the
 //      operator overloads of such types adhere to the standard behavior
 //      of built-in types.
 //
 //      T1 separate special_ops.hpp file implements more stl savvy
 //      specializations. Other more specialized unary_operator
 //      implementations may be defined by the client for specific
 //      unary operator tags/data types.
 //
 ///////////////////////////////////////////////////////////////////////////////
 template <typename TagT, typename T>
 struct unary_operator;
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<negative_op, T> {
 
     typedef T const result_type;
     static result_type eval(T const& v)
     { return -v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<positive_op, T> {
 
     typedef T const result_type;
     static result_type eval(T const& v)
     { return +v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<logical_not_op, T> {
 
     typedef T const result_type;
     static result_type eval(T const& v)
     { return !v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<invert_op, T> {
 
     typedef T const result_type;
     static result_type eval(T const& v)
     { return ~v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<reference_op, T> {
 
     typedef T* result_type;
     static result_type eval(T& v)
     { return &v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<dereference_op, T*> {
 
     typedef T& result_type;
     static result_type eval(T* v)
     { return *v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<dereference_op, T* const> {
 
     typedef T& result_type;
     static result_type eval(T* const v)
     { return *v; }
 };
 
 //////////////////////////////////
 template <>
 struct unary_operator<dereference_op, nil_t> {
 
     //  G++ eager template instantiation
     //  somehow requires this.
     typedef nil_t result_type;
 };
 
 //////////////////////////////////
 #ifndef BOOST_BORLANDC
 template <>
 struct unary_operator<dereference_op, nil_t const> {
 
     //  G++ eager template instantiation
     //  somehow requires this.
     typedef nil_t result_type;
 };
 #endif
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<pre_incr_op, T> {
 
     typedef T& result_type;
     static result_type eval(T& v)
     { return ++v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<pre_decr_op, T> {
 
     typedef T& result_type;
     static result_type eval(T& v)
     { return --v; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<post_incr_op, T> {
 
     typedef T const result_type;
     static result_type eval(T& v)
     { T t(v); ++v; return t; }
 };
 
 //////////////////////////////////
 template <typename T>
 struct unary_operator<post_decr_op, T> {
 
     typedef T const result_type;
     static result_type eval(T& v)
     { T t(v); --v; return t; }
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  rank<T>
 //
 //      rank<T> class has a static int constant 'value' that defines the
 //      absolute rank of a type. rank<T> is used to choose the result
 //      type of binary operators such as +. The type with the higher
 //      rank wins and is used as the operator's return type. T1 generic
 //      user defined type has a very high rank and always wins when
 //      compared against a user defined type. If this is not desirable,
 //      one can write a rank specialization for the type.
 //
 //      Take note that ranks 0..9999 are reserved for the framework.
 //
 ///////////////////////////////////////////////////////////////////////////////
 template <typename T>
 struct rank { static int const value = INT_MAX; };
 
 template <> struct rank<void>               { static int const value = 0; };
 template <> struct rank<bool>               { static int const value = 10; };
 
 template <> struct rank<char>               { static int const value = 20; };
 template <> struct rank<signed char>        { static int const value = 20; };
 template <> struct rank<unsigned char>      { static int const value = 30; };
 #if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
 template <> struct rank<wchar_t>            { static int const value = 40; };
 #endif // !defined(BOOST_NO_INTRINSIC_WCHAR_T)
 
 template <> struct rank<short>              { static int const value = 50; };
 template <> struct rank<unsigned short>     { static int const value = 60; };
 
 template <> struct rank<int>                { static int const value = 70; };
 template <> struct rank<unsigned int>       { static int const value = 80; };
 
 template <> struct rank<long>               { static int const value = 90; };
 template <> struct rank<unsigned long>      { static int const value = 100; };
 
 #ifdef BOOST_HAS_LONG_LONG
 template <> struct rank< ::boost::long_long_type>          { static int const value = 110; };
 template <> struct rank< ::boost::ulong_long_type> { static int const value = 120; };
 #endif
 
 template <> struct rank<float>              { static int const value = 130; };
 template <> struct rank<double>             { static int const value = 140; };
 template <> struct rank<long double>        { static int const value = 150; };
 
 template <typename T> struct rank<T*>
 { static int const value = 160; };
 
 template <typename T> struct rank<T* const>
 { static int const value = 160; };
 
 template <typename T, int N> struct rank<T[N]>
 { static int const value = 160; };
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  higher_rank<T0, T1>
 //
 //      Chooses the type (T0 or T1) with the higher rank.
 //
 ///////////////////////////////////////////////////////////////////////////////
 template <typename T0, typename T1>
 struct higher_rank {
     typedef typename boost::mpl::if_c<
         rank<T0>::value < rank<T1>::value,
         T1, T0>::type type;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  binary_operator<TagT, T0, T1>
 //
 //      The binary_operator class implements most of the C++ binary
 //      operators. Each specialization is basically a simple static eval
 //      function plus a result_type typedef that determines the return
 //      type of the eval function.
 //
 //      TagT is one of the binary operator tags above T0 and T1 are the
 //      (arguments') data types involved in the operation.
 //
 //      Only the behavior of C/C++ built-in types are taken into account
 //      in the specializations provided below. For user-defined types,
 //      these specializations may still be used provided that the
 //      operator overloads of such types adhere to the standard behavior
 //      of built-in types.
 //
 //      T1 separate special_ops.hpp file implements more stl savvy
 //      specializations. Other more specialized unary_operator
 //      implementations may be defined by the client for specific
 //      unary operator tags/data types.
 //
 //      All binary_operator except the logical_and_op and logical_or_op
 //      have an eval static function that carries out the actual operation.
 //      The logical_and_op and logical_or_op d are special because these
 //      two operators are short-circuit evaluated.
 //
 ///////////////////////////////////////////////////////////////////////////////
 template <typename TagT, typename T0, typename T1>
 struct binary_operator;
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs = rhs; }
 };
 
 //////////////////////////////////
 template <typename T1>
 struct binary_operator<index_op, nil_t, T1> {
 
     //  G++ eager template instantiation
     //  somehow requires this.
     typedef nil_t result_type;
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<index_op, T0*, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0* ptr, T1 const& index)
     { return ptr[index]; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<index_op, T0* const, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0* const ptr, T1 const& index)
     { return ptr[index]; }
 };
 
 //////////////////////////////////
 template <typename T0, int N, typename T1>
 struct binary_operator<index_op, T0[N], T1> {
 
     typedef T0& result_type;
     static result_type eval(T0* ptr, T1 const& index)
     { return ptr[index]; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<plus_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs += rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<minus_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs -= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<times_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs *= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<divide_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs /= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<mod_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs %= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<and_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs &= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<or_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs |= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<xor_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs ^= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<shift_l_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs <<= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<shift_r_assign_op, T0, T1> {
 
     typedef T0& result_type;
     static result_type eval(T0& lhs, T1 const& rhs)
     { return lhs >>= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<plus_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs + rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<minus_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs - rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<times_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs * rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<divide_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs / rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<mod_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs % rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<and_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs & rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<or_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs | rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<xor_op, T0, T1> {
 
     typedef typename higher_rank<T0, T1>::type const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs ^ rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<shift_l_op, T0, T1> {
 
     typedef T0 const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs << rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<shift_r_op, T0, T1> {
 
     typedef T0 const result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs >> rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<eq_op, T0, T1> {
 
     typedef bool result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs == rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<not_eq_op, T0, T1> {
 
     typedef bool result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs != rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<lt_op, T0, T1> {
 
     typedef bool result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs < rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<lt_eq_op, T0, T1> {
 
     typedef bool result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs <= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<gt_op, T0, T1> {
 
     typedef bool result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs > rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<gt_eq_op, T0, T1> {
 
     typedef bool result_type;
     static result_type eval(T0 const& lhs, T1 const& rhs)
     { return lhs >= rhs; }
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<logical_and_op, T0, T1> {
 
     typedef bool result_type;
     //  no eval function, see comment above.
 };
 
 //////////////////////////////////
 template <typename T0, typename T1>
 struct binary_operator<logical_or_op, T0, T1> {
 
     typedef bool result_type;
     //  no eval function, see comment above.
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  negative lazy operator (prefix -)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct negative_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<negative_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<negative_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<negative_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<negative_op, BaseT>::type
 operator-(actor<BaseT> const& _0)
 {
     return impl::make_unary<negative_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  positive lazy operator (prefix +)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct positive_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<positive_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<positive_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<positive_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<positive_op, BaseT>::type
 operator+(actor<BaseT> const& _0)
 {
     return impl::make_unary<positive_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  logical not lazy operator (prefix !)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct logical_not_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<logical_not_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<logical_not_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<logical_not_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<logical_not_op, BaseT>::type
 operator!(actor<BaseT> const& _0)
 {
     return impl::make_unary<logical_not_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  invert lazy operator (prefix ~)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct invert_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<invert_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<invert_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<invert_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<invert_op, BaseT>::type
 operator~(actor<BaseT> const& _0)
 {
     return impl::make_unary<invert_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  reference lazy operator (prefix &)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct reference_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<reference_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<reference_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<reference_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<reference_op, BaseT>::type
 operator&(actor<BaseT> const& _0)
 {
     return impl::make_unary<reference_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  dereference lazy operator (prefix *)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct dereference_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<dereference_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<dereference_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<dereference_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<dereference_op, BaseT>::type
 operator*(actor<BaseT> const& _0)
 {
     return impl::make_unary<dereference_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  pre increment lazy operator (prefix ++)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct pre_incr_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<pre_incr_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<pre_incr_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<pre_incr_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<pre_incr_op, BaseT>::type
 operator++(actor<BaseT> const& _0)
 {
     return impl::make_unary<pre_incr_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  pre decrement lazy operator (prefix --)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct pre_decr_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<pre_decr_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<pre_decr_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<pre_decr_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<pre_decr_op, BaseT>::type
 operator--(actor<BaseT> const& _0)
 {
     return impl::make_unary<pre_decr_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  post increment lazy operator (postfix ++)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct post_incr_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<post_incr_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<post_incr_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<post_incr_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<post_incr_op, BaseT>::type
 operator++(actor<BaseT> const& _0, int)
 {
     return impl::make_unary<post_incr_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  post decrement lazy operator (postfix --)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct post_decr_op {
 
     template <typename T0>
     struct result {
 
         typedef typename unary_operator<post_decr_op, T0>::result_type type;
     };
 
     template <typename T0>
     typename unary_operator<post_decr_op, T0>::result_type
     operator()(T0& _0) const
     { return unary_operator<post_decr_op, T0>::eval(_0); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 inline typename impl::make_unary<post_decr_op, BaseT>::type
 operator--(actor<BaseT> const& _0, int)
 {
     return impl::make_unary<post_decr_op, BaseT>::construct(_0);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  assignment lazy operator (infix =)
 //  The acual lazy operator is a member of the actor class.
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 template <typename B>
 inline typename impl::make_binary1<assign_op, BaseT, B>::type
 actor<BaseT>::operator=(B const& _1) const
 {
     return impl::make_binary1<assign_op, BaseT, B>::construct(*this, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  index lazy operator (array index [])
 //  The acual lazy operator is a member of the actor class.
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct index_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<index_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<index_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<index_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT>
 template <typename B>
 inline typename impl::make_binary1<index_op, BaseT, B>::type
 actor<BaseT>::operator[](B const& _1) const
 {
     return impl::make_binary1<index_op, BaseT, B>::construct(*this, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  plus assign lazy operator (infix +=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct plus_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<plus_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<plus_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<plus_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<plus_assign_op, BaseT, T1>::type
 operator+=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<plus_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  minus assign lazy operator (infix -=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct minus_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<minus_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<minus_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<minus_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<minus_assign_op, BaseT, T1>::type
 operator-=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<minus_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  times assign lazy operator (infix *=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct times_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<times_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<times_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<times_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<times_assign_op, BaseT, T1>::type
 operator*=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<times_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  divide assign lazy operator (infix /=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct divide_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<divide_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<divide_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<divide_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<divide_assign_op, BaseT, T1>::type
 operator/=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<divide_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  mod assign lazy operator (infix %=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct mod_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<mod_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<mod_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<mod_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<mod_assign_op, BaseT, T1>::type
 operator%=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<mod_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  and assign lazy operator (infix &=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct and_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<and_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<and_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<and_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<and_assign_op, BaseT, T1>::type
 operator&=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<and_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  or assign lazy operator (infix |=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct or_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<or_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<or_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<or_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<or_assign_op, BaseT, T1>::type
 operator|=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<or_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  xor assign lazy operator (infix ^=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct xor_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<xor_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<xor_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<xor_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<xor_assign_op, BaseT, T1>::type
 operator^=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<xor_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  shift left assign lazy operator (infix <<=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct shift_l_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<shift_l_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<shift_l_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<shift_l_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<shift_l_assign_op, BaseT, T1>::type
 operator<<=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<shift_l_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  shift right assign lazy operator (infix >>=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct shift_r_assign_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<shift_r_assign_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<shift_r_assign_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<shift_r_assign_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<shift_r_assign_op, BaseT, T1>::type
 operator>>=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<shift_r_assign_op, BaseT, T1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  plus lazy operator (infix +)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct plus_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<plus_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<plus_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<plus_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<plus_op, BaseT, T1>::type
 operator+(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<plus_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<plus_op, T0, BaseT>::type
 operator+(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<plus_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<plus_op, BaseT0, BaseT1>::type
 operator+(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<plus_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  minus lazy operator (infix -)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct minus_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<minus_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<minus_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<minus_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<minus_op, BaseT, T1>::type
 operator-(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<minus_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<minus_op, T0, BaseT>::type
 operator-(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<minus_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<minus_op, BaseT0, BaseT1>::type
 operator-(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<minus_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  times lazy operator (infix *)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct times_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<times_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<times_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<times_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<times_op, BaseT, T1>::type
 operator*(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<times_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<times_op, T0, BaseT>::type
 operator*(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<times_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<times_op, BaseT0, BaseT1>::type
 operator*(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<times_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  divide lazy operator (infix /)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct divide_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<divide_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<divide_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<divide_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<divide_op, BaseT, T1>::type
 operator/(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<divide_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<divide_op, T0, BaseT>::type
 operator/(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<divide_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<divide_op, BaseT0, BaseT1>::type
 operator/(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<divide_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  mod lazy operator (infix %)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct mod_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<mod_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<mod_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<mod_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<mod_op, BaseT, T1>::type
 operator%(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<mod_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<mod_op, T0, BaseT>::type
 operator%(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<mod_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<mod_op, BaseT0, BaseT1>::type
 operator%(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<mod_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  and lazy operator (infix &)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct and_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<and_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<and_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<and_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<and_op, BaseT, T1>::type
 operator&(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<and_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<and_op, T0, BaseT>::type
 operator&(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<and_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<and_op, BaseT0, BaseT1>::type
 operator&(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<and_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  or lazy operator (infix |)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct or_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<or_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<or_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<or_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<or_op, BaseT, T1>::type
 operator|(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<or_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<or_op, T0, BaseT>::type
 operator|(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<or_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<or_op, BaseT0, BaseT1>::type
 operator|(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<or_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  xor lazy operator (infix ^)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct xor_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<xor_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<xor_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<xor_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<xor_op, BaseT, T1>::type
 operator^(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<xor_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<xor_op, T0, BaseT>::type
 operator^(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<xor_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<xor_op, BaseT0, BaseT1>::type
 operator^(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<xor_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  shift left lazy operator (infix <<)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct shift_l_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<shift_l_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<shift_l_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<shift_l_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<shift_l_op, BaseT, T1>::type
 operator<<(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<shift_l_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<shift_l_op, T0, BaseT>::type
 operator<<(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<shift_l_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<shift_l_op, BaseT0, BaseT1>::type
 operator<<(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<shift_l_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  shift right lazy operator (infix >>)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct shift_r_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<shift_r_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<shift_r_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<shift_r_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<shift_r_op, BaseT, T1>::type
 operator>>(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<shift_r_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<shift_r_op, T0, BaseT>::type
 operator>>(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<shift_r_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<shift_r_op, BaseT0, BaseT1>::type
 operator>>(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<shift_r_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  equal lazy operator (infix ==)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct eq_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<eq_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<eq_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<eq_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<eq_op, BaseT, T1>::type
 operator==(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<eq_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<eq_op, T0, BaseT>::type
 operator==(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<eq_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<eq_op, BaseT0, BaseT1>::type
 operator==(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<eq_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  not equal lazy operator (infix !=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct not_eq_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<not_eq_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<not_eq_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<not_eq_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<not_eq_op, BaseT, T1>::type
 operator!=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<not_eq_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<not_eq_op, T0, BaseT>::type
 operator!=(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<not_eq_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<not_eq_op, BaseT0, BaseT1>::type
 operator!=(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<not_eq_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  less than lazy operator (infix <)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct lt_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<lt_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<lt_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<lt_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<lt_op, BaseT, T1>::type
 operator<(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<lt_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<lt_op, T0, BaseT>::type
 operator<(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<lt_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<lt_op, BaseT0, BaseT1>::type
 operator<(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<lt_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  less than equal lazy operator (infix <=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct lt_eq_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<lt_eq_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<lt_eq_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<lt_eq_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<lt_eq_op, BaseT, T1>::type
 operator<=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<lt_eq_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<lt_eq_op, T0, BaseT>::type
 operator<=(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<lt_eq_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<lt_eq_op, BaseT0, BaseT1>::type
 operator<=(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<lt_eq_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  greater than lazy operator (infix >)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct gt_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<gt_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<gt_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<gt_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<gt_op, BaseT, T1>::type
 operator>(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<gt_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<gt_op, T0, BaseT>::type
 operator>(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<gt_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<gt_op, BaseT0, BaseT1>::type
 operator>(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<gt_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  greater than equal lazy operator (infix >=)
 //
 ///////////////////////////////////////////////////////////////////////////////
 struct gt_eq_op {
 
     template <typename T0, typename T1>
     struct result {
 
         typedef typename binary_operator<gt_eq_op, T0, T1>
             ::result_type type;
     };
 
     template <typename T0, typename T1>
     typename binary_operator<gt_eq_op, T0, T1>::result_type
     operator()(T0& _0, T1& _1) const
     { return binary_operator<gt_eq_op, T0, T1>::eval(_0, _1); }
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline typename impl::make_binary1<gt_eq_op, BaseT, T1>::type
 operator>=(actor<BaseT> const& _0, T1 CREF _1)
 {
     return impl::make_binary1<gt_eq_op, BaseT, T1>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline typename impl::make_binary2<gt_eq_op, T0, BaseT>::type
 operator>=(T0 CREF _0, actor<BaseT> const& _1)
 {
     return impl::make_binary2<gt_eq_op, T0, BaseT>::construct(_0, _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline typename impl::make_binary3<gt_eq_op, BaseT0, BaseT1>::type
 operator>=(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return impl::make_binary3<gt_eq_op, BaseT0, BaseT1>::construct(_0, _1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  logical and lazy operator (infix &&)
 //
 //  The logical_and_composite class and its corresponding generators are
 //  provided to allow short-circuit evaluation of the operator's
 //  operands.
 //
 ///////////////////////////////////////////////////////////////////////////////
 template <typename A0, typename A1>
 struct logical_and_composite {
 
     typedef logical_and_composite<A0, A1> self_t;
 
     template <typename TupleT>
     struct result {
 
         typedef typename binary_operator<logical_and_op,
             typename actor_result<A0, TupleT>::plain_type,
             typename actor_result<A1, TupleT>::plain_type
         >::result_type type;
     };
 
     logical_and_composite(A0 const& _0, A1 const& _1)
     :   a0(_0), a1(_1) {}
 
     template <typename TupleT>
     typename actor_result<self_t, TupleT>::type
     eval(TupleT const& args) const
     {
         return a0.eval(args) && a1.eval(args);
     }
 
     A0 a0; A1 a1; //  actors
 };
 
 #if !(defined(__ICL) && __ICL <= 500)
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline actor<logical_and_composite
 <actor<BaseT>, typename as_actor<T1>::type> >
 operator&&(actor<BaseT> const& _0, T1 CREF _1)
 {
     return logical_and_composite
         <actor<BaseT>, typename as_actor<T1>::type>
         (_0, as_actor<T1>::convert(_1));
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline actor<logical_and_composite
 <typename as_actor<T0>::type, actor<BaseT> > >
 operator&&(T0 CREF _0, actor<BaseT> const& _1)
 {
     return logical_and_composite
         <typename as_actor<T0>::type, actor<BaseT> >
         (as_actor<T0>::convert(_0), _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline actor<logical_and_composite
 <actor<BaseT0>, actor<BaseT1> > >
 operator&&(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return logical_and_composite
         <actor<BaseT0>, actor<BaseT1> >
         (_0, _1);
 }
 #else
 //////////////////////////////////
 template <typename T0, typename T1>
 inline actor<logical_and_composite
 <typename as_actor<T0>::type, typename as_actor<T1>::type> >
 operator&&(T0 CREF _0, T1 CREF _1)
 {
     return logical_and_composite
         <typename as_actor<T0>::type, typename as_actor<T1>::type>
         (as_actor<T0>::convert(_0), as_actor<T1>::convert(_1));
 }
 #endif // !(__ICL && __ICL <= 500)
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  logical or lazy operator (infix ||)
 //
 //  The logical_or_composite class and its corresponding generators are
 //  provided to allow short-circuit evaluation of the operator's
 //  operands.
 //
 ///////////////////////////////////////////////////////////////////////////////
 template <typename A0, typename A1>
 struct logical_or_composite {
 
     typedef logical_or_composite<A0, A1> self_t;
 
     template <typename TupleT>
     struct result {
 
         typedef typename binary_operator<logical_or_op,
             typename actor_result<A0, TupleT>::plain_type,
             typename actor_result<A1, TupleT>::plain_type
         >::result_type type;
     };
 
     logical_or_composite(A0 const& _0, A1 const& _1)
     :   a0(_0), a1(_1) {}
 
     template <typename TupleT>
     typename actor_result<self_t, TupleT>::type
     eval(TupleT const& args) const
     {
         return a0.eval(args) || a1.eval(args);
     }
 
     A0 a0; A1 a1; //  actors
 };
 
 //////////////////////////////////
 template <typename BaseT, typename T1>
 inline actor<logical_or_composite
 <actor<BaseT>, typename as_actor<T1>::type> >
 operator||(actor<BaseT> const& _0, T1 CREF _1)
 {
     return logical_or_composite
         <actor<BaseT>, typename as_actor<T1>::type>
         (_0, as_actor<T1>::convert(_1));
 }
 
 //////////////////////////////////
 template <typename T0, typename BaseT>
 inline actor<logical_or_composite
 <typename as_actor<T0>::type, actor<BaseT> > >
 operator||(T0 CREF _0, actor<BaseT> const& _1)
 {
     return logical_or_composite
         <typename as_actor<T0>::type, actor<BaseT> >
         (as_actor<T0>::convert(_0), _1);
 }
 
 //////////////////////////////////
 template <typename BaseT0, typename BaseT1>
 inline actor<logical_or_composite
 <actor<BaseT0>, actor<BaseT1> > >
 operator||(actor<BaseT0> const& _0, actor<BaseT1> const& _1)
 {
     return logical_or_composite
         <actor<BaseT0>, actor<BaseT1> >
         (_0, _1);
 }
 
 }   //  namespace phoenix
 
 #undef CREF
 #endif

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