concepts.hpp

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/*
 
Copyright 2025 | Leong Fan FUNG | funglf | stanleyfunglf@gmail.com
 
Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the “Software”), to deal 
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is 
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in 
all copies or substantial portions of the Software.
 
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
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*/
#pragma once
#include <concepts>
#include <type_traits>
#include <ranges>
#include <string>
#include <ostream>
 
namespace comppare::internal::concepts
{
    template <typename T>
    concept Streamable =
        requires(std::ostream &os, T v) { { os << v } -> std::same_as<std::ostream&>; };
 
    template <typename T>
    concept FloatingPoint = std::floating_point<std::remove_cvref_t<T>>;
 
    template <typename T>
    concept Integral = std::integral<std::remove_cvref_t<T>>;
 
 
    template <typename T>
    concept Arithmetic = FloatingPoint<T> || Integral<T>;
 
 
    template <typename T>
    concept String = std::same_as<std::remove_cvref_t<T>, std::string>;
 
    template <typename T>
    concept Void = std::is_void_v<std::remove_cvref_t<T>>;
 
    template <typename R>
    concept RangeOfArithmetic =
        std::ranges::forward_range<std::remove_cvref_t<R>> && Arithmetic<std::remove_cvref_t<std::ranges::range_value_t<std::remove_cvref_t<R>>>> && (!String<std::remove_cvref_t<R>>);
 
}