mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2019 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_TUPLE_FUSED_HPP
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#define SPROUT_TUPLE_FUSED_HPP
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#include <sprout/config.hpp>
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#include <sprout/tuple/tuple/tuple.hpp>
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#include <sprout/tuple/apply.hpp>
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#include <sprout/utility/forward.hpp>
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namespace sprout {
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namespace tuples {
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//
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// fused
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//
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template<typename F>
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class fused {
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public:
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typedef F functor_type;
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public:
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template<typename Tuple>
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struct result
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: public sprout::tuples::apply_result<functor_type const&, Tuple>
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{};
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private:
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functor_type f_;
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public:
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SPROUT_CONSTEXPR fused() SPROUT_DEFAULTED_DEFAULT_CONSTRUCTOR_DECL
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fused(fused const&) = default;
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explicit SPROUT_CONSTEXPR fused(F f)
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: f_(f)
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{}
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SPROUT_CONSTEXPR functor_type functor() const {
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return f_;
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}
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template<typename Tuple>
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SPROUT_CONSTEXPR typename result<Tuple>::type
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operator()(Tuple&& t) const {
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return sprout::tuples::apply(f_, SPROUT_FORWARD(Tuple, t));
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}
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};
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//
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// make_fused
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//
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template<typename F>
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inline SPROUT_CONSTEXPR sprout::tuples::fused<F>
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make_fused(F const& f) {
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return sprout::tuples::fused<F>(f);
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}
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} // namespace tuples
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using sprout::tuples::fused;
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using sprout::tuples::make_fused;
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} // namespace sprout
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#endif // #ifndef SPROUT_TUPLE_FUSED_HPP
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