fn_cast.h

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#pragma once

#include <type_traits>
#include <scl/tools/meta/is_same.h>
#include <scl/tools/meta/fn_type.h>

namespace scl{
    namespace tools{
        namespace meta{
            template <class From, class Ret, class... Args>
            inline constexpr fn_type<Ret, Args...> fn_cast(From f){
                return static_cast<fn_type<Ret, Args...>>(f);
            }

            template <class From, class Class, class Ret, class... Args>
            inline constexpr memfn_type<Class, Ret, Args...> fn_cast(From f){
                return static_cast<memfn_type<Class, Ret, Args...>>(f);
            }
        }
    }
}