52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/json
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//
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#ifndef BOOST_JSON_STRING_VIEW_HPP
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#define BOOST_JSON_STRING_VIEW_HPP
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#include <boost/json/detail/config.hpp>
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#include <boost/core/detail/string_view.hpp>
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#include <type_traits>
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#ifndef BOOST_NO_CXX17_HDR_STRING_VIEW
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# include <string_view>
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#endif
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BOOST_JSON_NS_BEGIN
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#ifdef BOOST_JSON_DOCS
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/** The type of string view used by the library.
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The type has API equivalent to that of `std::string_view` and is
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convertible to/from it.
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*/
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using string_view = __see_below__;
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#else
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using string_view = boost::core::string_view;
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#endif
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namespace detail {
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template<class T>
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using is_string_viewish = typename std::enable_if<
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std::is_convertible<
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T const&, string_view>::value &&
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! std::is_convertible<
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T const&, char const*>::value
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>::type;
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} // detail
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BOOST_JSON_NS_END
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#endif
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