boost/core/data.hpp

0001 /*
0002 Copyright 2023 Glen Joseph Fernandes
0003 (glenjofe@gmail.com)
0004
0005 Distributed under the Boost Software License, Version 1.0.
0006 (http://www.boost.org/LICENSE_1_0.txt)
0007 */
0008 #ifndef BOOST_CORE_DATA_HPP
0009 #define BOOST_CORE_DATA_HPP
0010
0011 #include <initializer_list>
0012 #include <cstddef>
0013
0014 namespace boost {
0015
0016 template<class C>
0017 inline constexpr auto
0018 data(C& c) noexcept(noexcept(c.data())) -> decltype(c.data())
0019 {
0020     return c.data();
0021 }
0022
0023 template<class C>
0024 inline constexpr auto
0025 data(const C& c) noexcept(noexcept(c.data())) -> decltype(c.data())
0026 {
0027     return c.data();
0028 }
0029
0030 template<class T, std::size_t N>
0031 inline constexpr T*
0032 data(T(&a)[N]) noexcept
0033 {
0034     return a;
0035 }
0036
0037 template<class T>
0038 inline constexpr const T*
0039 data(std::initializer_list<T> l) noexcept
0040 {
0041     return l.begin();
0042 }
0043
0044 } /* boost */
0045
0046 #endif