From 001c9917ace09f7b1c80d96eb067e1d37e86c546 Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Fri, 27 Jun 2025 12:08:58 +0100
Subject: improve error handling

---
 nihil.ucl/errc.ccm | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 nihil.ucl/errc.ccm

(limited to 'nihil.ucl/errc.ccm')

diff --git a/nihil.ucl/errc.ccm b/nihil.ucl/errc.ccm
new file mode 100644
index 0000000..8f0444d
--- /dev/null
+++ b/nihil.ucl/errc.ccm
@@ -0,0 +1,33 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+#include <string>
+#include <system_error>
+
+export module nihil.ucl:errc;
+
+namespace nihil::ucl {
+
+export enum struct errc {
+	no_error = 0,
+
+	// ucl_object_new() or similar failed, e.g. out of memory
+	failed_to_create_object,
+	// Trying to create an object from a UCL object of the wrong type
+	type_mismatch,
+};
+
+export auto ucl_category() noexcept -> std::error_category &;
+export auto make_error_condition(errc ec) -> std::error_condition;
+
+} // namespace nihil::ucl
+
+namespace std {
+
+export template<>
+struct is_error_condition_enum<nihil::ucl::errc> : true_type {};
+
+} // namespace std
-- 
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