#pragma once

#include <concepts>
#include <ranges>

namespace snplib
{

// type T is hashable
template <typename T>
concept snplib_hashable_c = requires(T t) {
    { std::hash<T>{}(t) } -> std::convertible_to<size_t>;
};

template <typename T, typename CharT = char>
concept snplib_char_range_c = std::ranges::range<T> && std::same_as<std::ranges::range_value_t<T>, CharT>;

template <typename T, typename CharT = char>
concept snplib_input_char_range_c = std::ranges::input_range<T> && std::same_as<std::ranges::range_value_t<T>, CharT>;

template <typename T, typename CharT = char>
concept snplib_output_char_range_c = std::ranges::output_range<T, CharT>;

template <typename T, typename CharT = char>
concept snplib_char_view_c = std::ranges::view<T> && std::same_as<std::ranges::range_value_t<T>, CharT>;



}  // namespace snplib