to_chars.hpp

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#pragma once
#include <iostream>
 
namespace circus::utils {
 
namespace detail {

template <unsigned... digits>
struct to_chars {
    static const char value[];
};

template <unsigned... digits>
constexpr char to_chars<digits...>::value[] = {('0' + digits)..., 0};

template <unsigned rem, unsigned... digits>
struct explode : explode<rem / 10, rem % 10, digits...> {};

template <unsigned... digits>
struct explode<0, digits...> : to_chars<digits...> {};
 
}  // namespace detail

template <unsigned num>
struct num_to_string : detail::explode<num> {};

constexpr bool strings_equal(char const* a, char const* b) {
    return std::string_view(a) == b;
}
 
}  // namespace circus::utils