boost/core/size.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_SIZE_HPP
0009 #define BOOST_CORE_SIZE_HPP
0010
0011 #include <cstddef>
0012
0013 namespace boost {
0014
0015 template<class C>
0016 inline constexpr auto
0017 size(const C& c) noexcept(noexcept(c.size())) -> decltype(c.size())
0018 {
0019     return c.size();
0020 }
0021
0022 template<class T, std::size_t N>
0023 inline constexpr std::size_t
0024 size(T(&)[N]) noexcept
0025 {
0026     return N;
0027 }
0028
0029 } /* boost */
0030
0031 #endif