1 files changed, 56 insertions, 0 deletions
diff --git a/nihil.config/string.ccm b/nihil.config/string.ccm
new file mode 100644
index 0000000..668bbc0
--- /dev/null
+++ b/nihil.config/string.ccm
@@ -0,0 +1,56 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+#include <expected>
+#include <format>
+#include <string>
+
+export module nihil.config:string;
+
+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