mpc
Haskell-like feature supports in C++
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fmap :: (a -> b) -> f a -> f b More...
#include <functor.hpp>
Public Member Functions | |
template<class Fn , class Fa > | |
constexpr auto | operator() (Fn &&fn, Fa &&fa) const noexcept(noexcept(functor_traits< std::remove_cvref_t< Fa > >::fmap(std::forward< Fn >(fn), std::forward< Fa >(fa)))) -> decltype(functor_traits< std::remove_cvref_t< Fa > >::fmap(std::forward< Fn >(fn), std::forward< Fa >(fa))) |
fmap :: (a -> b) -> f a -> f b