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/*
* This source code is released into the public domain.
*/
module;
#include <expected>
#include <format>
#include <string>
export module nihil.config:string;
import nihil;
import nihil.ucl;
import :option;
namespace nihil::config {
/*
* A string option. The backing type is std::string.
*/
export struct string final : option
{
string(std::string &storage,
std::string_view name,
std::string_view description) noexcept;
~string();
/*
* Get this option as a string; simply returns the storage.
*/
[[nodiscard]] auto get_string() const -> std::string override;
/*
* Set this option to a string value; assigns to the storage.
*/
[[nodiscard]] auto set_string(std::string_view new_value)
-> std::expected<void, error> override;
/*
* Convert this option to a UCL object.
*/
[[nodiscard]] auto get_ucl() const
-> std::expected<ucl::object, error> override;
/*
* Set this option from a UCL object.
*/
[[nodiscard]] auto set_ucl(ucl::object const &uclobj)
-> std::expected<void, error> override;
private:
std::string &m_storage;
};
} // namespace nihil::config
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