crown-engine/src/core/functional.h

/*
 * Copyright (c) 2012-2023 Daniele Bartolini et al.
 * SPDX-License-Identifier: MIT
 */

#pragma once

#include "core/types.h"

namespace crown
{
template<typename T>
struct equal_to
{
	bool operator()(const T &a, const T &b) const;
};

template<typename T>
struct not_equal_to
{
	bool operator()(const T &a, const T &b) const;
};

template<typename T>
struct greater
{
	bool operator()(const T &a, const T &b) const;
};

template<typename T>
struct less
{
	bool operator()(const T &a, const T &b) const;
};

template<typename T>
struct greater_equal
{
	bool operator()(const T &a, const T &b) const;
};

template<typename T>
struct less_equal
{
	bool operator()(const T &a, const T &b) const;
};

template<typename T>
struct hash;

template<>
struct hash<bool>
{
	u32 operator()(const bool val) const;
};

template<>
struct hash<s8>
{
	u32 operator()(const s8 val) const;
};

template<>
struct hash<u8>
{
	u32 operator()(const u8 val) const;
};

template<>
struct hash<s16>
{
	u32 operator()(const s16 val) const;
};

template<>
struct hash<u16>
{
	u32 operator()(const u16 val) const;
};

template<>
struct hash<s32>
{
	u32 operator()(const s32 val) const;
};

template<>
struct hash<u32>
{
	u32 operator()(const u32 val) const;
};

template<>
struct hash<s64>
{
	u32 operator()(const s64 val) const;
};

template<>
struct hash<u64>
{
	u32 operator()(const u64 val) const;
};

template<>
struct hash<f32>
{
	u32 operator()(const f32 val) const;
};

template<>
struct hash<f64>
{
	u32 operator()(const f64 val) const;
};

template<typename T>
struct hash<T *>
{
	u32 operator()(const T *val) const;
};

} // namespace crown