Current File : //backups/router/usr/local/include/boost/json/string_view.hpp
//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// 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)
//
// Official repository: https://github.com/boostorg/json
//
#ifndef BOOST_JSON_STRING_VIEW_HPP
#define BOOST_JSON_STRING_VIEW_HPP
#include <boost/json/detail/config.hpp>
#include <boost/core/detail/string_view.hpp>
#include <type_traits>
#ifndef BOOST_NO_CXX17_HDR_STRING_VIEW
# include <string_view>
#endif
namespace boost {
namespace json {
#ifdef BOOST_JSON_DOCS
/** The type of string view used by the library.
The type has API equivalent to that of `std::string_view` and is
convertible to/from it.
*/
using string_view = __see_below__;
#else
using string_view = boost::core::string_view;
#endif
namespace detail {
template<class T>
using is_string_viewish = typename std::enable_if<
std::is_convertible<
T const&, string_view>::value &&
! std::is_convertible<
T const&, char const*>::value
>::type;
} // detail
} // namespace json
} // namespace boost
#endif
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