ceph/src/boost/boost/beast/core/detail/string.hpp

   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
  26 operator"" _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
  35 ascii_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