add nihil.std

1 files changed, 7 insertions, 9 deletions

diff --git a/nihil.core/errc.cc b/nihil.core/errc.cc
index 35c9d8f..411ad66 100644
--- a/nihil.core/errc.cc
+++ b/nihil.core/errc.cc
@@ -1,14 +1,8 @@
-/*
- * This source code is released into the public domain.
- */
-
-module;
-
-#include <string>
-#include <system_error>
-
+// This source code is released into the public domain.
 module nihil.core;
 
+import nihil.std;
+
 namespace nihil {
 
 struct nihil_error_category final : std::error_category {
@@ -43,6 +37,10 @@ auto nihil_error_category::message(int err) const -> std::string
 		return "Empty string is not permitted";
 	case errc::invalid_unit:
 		return "Invalid unit specifier";
+	case errc::failed_to_create_object:
+		return "Failed to create UCL object";
+	case errc::type_mismatch:
+		return "UCL type does not match expected type";
 	default:
 		return "Undefined error";
 	}