1 // 2 // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) 3 // 4 // Distributed under the Boost Software License, Version 1.0. (See accompanying 5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 // 7 // Official repository: https://github.com/boostorg/beast 8 // 9 10 #ifndef BOOST_BEAST_DETAIL_STRING_HPP 11 #define BOOST_BEAST_DETAIL_STRING_HPP 12 13 #include <boost/beast/core/string_type.hpp> 14 15 namespace boost { 16 namespace beast { 17 18 namespace detail { 19 20 // Pulling in the UDL directly breaks in some places on MSVC, 21 // so introduce a namespace for this purprose. 22 namespace string_literals { 23 24 inline 25 string_view operator ""_sv(char const * p,std::size_t n)26operator"" _sv(char const* p, std::size_t n) 27 { 28 return string_view{p, n}; 29 } 30 31 } // string_literals 32 33 inline 34 char ascii_tolower(char c)35ascii_tolower(char c) 36 { 37 return ((static_cast<unsigned>(c) - 65U) < 26) ? 38 c + 'a' - 'A' : c; 39 } 40 } // detail 41 } // beast 42 } // boost 43 44 #endif 45