#pragma once

#include <format>
#include <ranges>

namespace mcc::traits
{

template <typename R>
concept mcc_char_view = std::ranges::view<R> && std::same_as<std::ranges::range_value_t<R>, char>;


// input range of char/const char
template <typename R, typename CharT = char>
concept mcc_input_char_range =
    std::ranges::input_range<R> && std::is_same_v<std::remove_cv_t<std::ranges::range_value_t<R>>, CharT>;


// output range of char/const char
template <typename R, typename CharT = char>
concept mcc_output_char_range =
    std::ranges::output_range<R, CharT> && std::same_as<std::remove_cv_t<std::ranges::range_value_t<R>>, CharT>;


template <typename R>
concept mcc_view_or_output_char_range = mcc_char_view<R> || mcc_output_char_range<R>;


template <typename R>
concept mcc_range_of_input_char_range =
    std::ranges::range<R> && traits::mcc_input_char_range<std::ranges::range_value_t<R>>;



// https://stackoverflow.com/questions/72430369/how-to-check-that-a-type-is-formattable-using-type-traits-concepts)
template <typename T>
concept mcc_formattable =
    requires(T v, std::format_context ctx) { std::formatter<std::remove_cvref_t<T>>().format(v, ctx); };



}  // namespace mcc::traits