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https://github.com/bolero-MURAKAMI/Sprout.git
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86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 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_COMPOST_EFFECTS_FUZZED_HPP
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#define SPROUT_COMPOST_EFFECTS_FUZZED_HPP
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#include <sprout/config.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/range/adaptor/transformed.hpp>
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#include <sprout/compost/effects/rectified.hpp>
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#include <sprout/compost/effects/distorted.hpp>
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namespace sprout {
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namespace compost {
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namespace effects {
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//
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// fuzz_holder
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//
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template<typename T>
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class fuzz_holder {
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public:
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typedef T value_type;
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private:
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value_type gain_;
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value_type level_;
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public:
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SPROUT_CONSTEXPR fuzz_holder() SPROUT_DEFAULTED_DEFAULT_CONSTRUCTOR_DECL
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fuzz_holder(fuzz_holder const&) = default;
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SPROUT_CONSTEXPR fuzz_holder(value_type const& gain, value_type const& level)
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: gain_(gain), level_(level)
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{}
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SPROUT_CONSTEXPR value_type const& gain() const {
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return gain_;
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}
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SPROUT_CONSTEXPR value_type const& level() const {
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return level_;
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}
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};
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//
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// fuzzed_forwarder
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//
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class fuzzed_forwarder {
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public:
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template<typename T>
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SPROUT_CONSTEXPR sprout::compost::effects::fuzz_holder<T>
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operator()(T const& gain, T const& level) const {
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return sprout::compost::effects::fuzz_holder<T>(gain, level);
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}
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};
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//
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// fuzzed
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//
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namespace {
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SPROUT_STATIC_CONSTEXPR sprout::compost::effects::fuzzed_forwarder fuzzed = {};
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} // anonymous-namespace
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//
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// operator|
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//
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template<typename Range, typename T>
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inline SPROUT_CONSTEXPR auto
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operator|(Range&& lhs, sprout::compost::effects::fuzz_holder<T> const& rhs)
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-> decltype(
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SPROUT_FORWARD(Range, lhs)
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| sprout::compost::effects::rectified
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| sprout::compost::effects::distorted(rhs.gain(), rhs.level())
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)
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{
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return SPROUT_FORWARD(Range, lhs)
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| sprout::compost::effects::rectified
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| sprout::compost::effects::distorted(rhs.gain(), rhs.level())
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;
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}
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} // namespace effects
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using sprout::compost::effects::fuzzed;
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} // namespace compost
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} // namespace sprout
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#endif // #ifndef SPROUT_COMPOST_EFFECTS_FUZZED_HPP
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