mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
29 lines
677 B
C++
29 lines
677 B
C++
|
#ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_POSITE_HPP
|
||
|
|
#define SPROUT_FUNCTIONAL_POLYMORPHIC_POSITE_HPP
|
||
|
|
|
||
|
|
#include <utility>
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
#include <sprout/utility/forward.hpp>
|
||
|
|
|
||
|
|
namespace sprout {
|
||
|
|
//
|
||
|
|
// posite_t
|
||
|
|
// posite_
|
||
|
|
//
|
||
|
|
struct posite_t {
|
||
|
|
public:
|
||
|
|
template<typename T>
|
||
|
|
SPROUT_CONSTEXPR decltype(+std::declval<T>())
|
||
|
|
operator()(T&& x)
|
||
|
|
const SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(+std::declval<T>()))
|
||
|
|
{
|
||
|
|
return +sprout::forward<T>(x);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
namespace {
|
||
|
|
SPROUT_STATIC_CONSTEXPR sprout::posite_t posite_{};
|
||
|
|
} // anonymous-namespace
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_POSITE_HPP
|