#pragma once

template <class Func>
struct YCombinator {
	// NOTE: implicit constructor allows initializing this
	Func func;

	template <class... Ts>
	decltype(auto) operator()(Ts&&... args) const {
        // NOTE: static_cast<Ts>(args)... is equivalent to std::forward<Ts>(args)...
        //       written this way so that we don't have to include <utility>, as well as reducing template instanciations to help compile time
		return func(*this, static_cast<Ts>(args)...);
	}
};