mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2017 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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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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#ifndef SPROUT_WEED_TRAITS_EXPR_TERMINAL_OF_HPP
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#define SPROUT_WEED_TRAITS_EXPR_TERMINAL_OF_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/type_traits/identity.hpp>
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#include <sprout/type_traits/remove_shallow_cvref.hpp>
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#include <sprout/weed/expr/expr_fwd.hpp>
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#include <sprout/weed/expr/tag.hpp>
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#include <sprout/weed/traits/type/is_c_str.hpp>
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#include <sprout/weed/detail/c_str_as_string.hpp>
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namespace sprout {
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namespace weed {
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namespace traits {
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//
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// terminal_of
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//
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template<typename Arg, typename = void>
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struct terminal_of;
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template<typename Arg>
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struct terminal_of<
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Arg,
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typename std::enable_if<
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!sprout::weed::traits::is_c_str<
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typename std::remove_reference<Arg>::type
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>::value
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>::type
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>
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: public sprout::identity<
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sprout::weed::expr<
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sprout::weed::tag::terminal,
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typename sprout::remove_shallow_cvref<Arg>::type
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>
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>
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{};
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template<typename Arg>
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struct terminal_of<
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Arg,
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typename std::enable_if<
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sprout::weed::traits::is_c_str<
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typename std::remove_reference<Arg>::type
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>::value
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>::type
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>
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: public sprout::identity<
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sprout::weed::expr<
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sprout::weed::tag::terminal,
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typename sprout::weed::detail::c_str_as_string<
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typename std::remove_reference<Arg>::type
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>::type
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>
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>
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{};
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} // namespace traits
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} // namespace weed
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} // namespace sprout
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#endif // #ifndef SPROUT_WEED_TRAITS_EXPR_TERMINAL_OF_HPP
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