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add compost psuedo_stereo

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bolero-MURAKAMI 2012-11-25 10:09:41 +09:00
parent c33ae70d13
commit ca4fdcdbae
6 changed files with 190 additions and 35 deletions
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71
sprout/compost/formats/effected_left.hpp Normal file
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#ifndef SPROUT_COMPOST_FORMATS_EFFECTED_LEFT_HPP
#define SPROUT_COMPOST_FORMATS_EFFECTED_LEFT_HPP
#include <sprout/config.hpp>
#include <sprout/utility/lvalue_forward.hpp>
#include <sprout/compost/formats/left_channel.hpp>
#include <sprout/compost/formats/right_channel.hpp>
#include <sprout/compost/formats/stereo.hpp>
namespace sprout {
namespace compost {
namespace formats {
//
// effect_left_holder
//
template<typename Adaptor>
class effect_left_holder {
public:
typedef Adaptor adaptor_type;
private:
adaptor_type adaptor_;
public:
explicit SPROUT_CONSTEXPR effect_left_holder(adaptor_type const& adaptor)
: adaptor_(adaptor)
{}
SPROUT_CONSTEXPR adaptor_type const& adaptor() const {
return adaptor_;
}
};
//
// effected_left_cannel_forwarder
//
class effected_left_cannel_forwarder {
public:
template<typename Adaptor>
SPROUT_CONSTEXPR sprout::compost::formats::effect_left_holder<Adaptor>
operator()(Adaptor const& adaptor) {
return sprout::compost::formats::effect_left_holder<Adaptor>(adaptor);
}
};
//
// effected_left_cannel
//
namespace {
SPROUT_STATIC_CONSTEXPR sprout::compost::formats::effected_left_cannel_forwarder effected_left_cannel{};
} // anonymous-namespace
//
// operator|
//
template<typename Range, typename Adaptor>
inline SPROUT_CONSTEXPR auto
operator|(Range&& lhs, sprout::compost::formats::effect_left_holder<Adaptor> const& rhs)
-> decltype(
sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::left_channel | rhs.adaptor()
| sprout::compost::formats::stereo(sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::right_channel)
)
{
return sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::left_channel | rhs.adaptor()
| sprout::compost::formats::stereo(sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::right_channel)
;
}
} // namespace formats
using sprout::compost::formats::effected_left_cannel;
} // namespace compost
} // namespace sprout
#endif // #ifndef SPROUT_COMPOST_FORMATS_EFFECTED_LEFT_HPP