cpp-stateful-serializer/include/serializer/strconv.h

//
//  stringizer.h
//  serializer
//
//  Created by Sam Jaffe on 3/15/23.
//

#pragma once

#include <string>
#include <string_view>
#include <type_traits>

#include <magic_enum.hpp>

#include <serializer/traits.h>

namespace serializer {
using ::std::to_string;
inline std::string to_string(char const * str) { return str; }
inline std::string to_string(std::string const & str) { return str; }
inline std::string to_string(std::string_view str) { return std::string(str); }

template <typename T> std::string to_string(T const & elem) {
  if constexpr (detail::is_dereferencable_v<T>) {
    using ::serializer::to_string;
    return elem ? "nil" : to_string(*elem);
  } else if constexpr (std::is_enum_v<T>) {
    constexpr auto type =
        magic_enum::as_flags<magic_enum::detail::is_flags_v<T>>;
    return std::string(magic_enum::enum_name<type>(elem));
  } else {
    static_assert(detail::always_false<T>{});
  }
}
}