#pragma once

#include <string_view>
using namespace std::string_view_literals;

template<typename F> struct privDefer {
	F f;
	privDefer(F f)
	    : f(f)
	{
	}
	~privDefer() { f(); }
};

template<typename F> privDefer<F> defer_func(F f) { return privDefer<F>(f); }

#define DEFER_1(x, y) x##y
#define DEFER_2(x, y) DEFER_1(x, y)
#define DEFER_3(x) DEFER_2(x, __COUNTER__)
#define defer(code) auto DEFER_3(_defer_) = defer_func([&]() { code; })

#if defined(_MSC_VER)
#	define ALIGN(a) __declspec(align(a))
#else
#	define ALIGN(a) __attribute__((aligned(a)))
#endif