// This source code is released into the public domain.
export module nihil.core:errc;

import nihil.std;

namespace nihil {

export enum struct errc : std::uint8_t {
	no_error = 0,

	//
	// nihil.command
	//

	incomplete_command,

	//
	// nihil.ucl
	//

	failed_to_create_object,
	type_mismatch,

	//
	// nihil.util
	//

	// Empty string is not allowed.
	empty_string,

	// Invalid unit, e.g. in parse_size()
	invalid_unit,
};

export [[nodiscard]] auto nihil_category() noexcept -> std::error_category &;
export [[nodiscard]] auto make_error_condition(errc ec) -> std::error_condition;

} // namespace nihil

template<>
struct std::is_error_condition_enum<nihil::errc> : std::true_type {};