1 files changed, 3 insertions, 0 deletions
diff --git a/src/ctor.h b/src/ctor.h
index 890c257..8a7c809 100644
--- a/src/ctor.h
+++ b/src/ctor.h
@@ -579,4 +579,7 @@ struct configuration
 
 const ctor::configuration& get_configuration();
 
+int reg(std::function<const ctor::configuration&()> cb,
+        const std::source_location location = std::source_location::current());
+
 } // ctor::