added a debugging helper

[helm.git] / helm / matita / matitaMisc.mli

diff --git a/helm/matita/matitaMisc.mli b/helm/matita/matitaMisc.mli
index 31efae031dc53eb9f7734958a61205d9dd4dc304..c2cba5903192744d61ba9ec7264d1a297ef84e5b 100644 (file)
--- a/helm/matita/matitaMisc.mli
+++ b/helm/matita/matitaMisc.mli
@@ -94,3 +94,8 @@ val get_proof_aliases: MatitaTypes.status -> DisambiguateTypes.environment
 val image_path: string -> string
 val obj_file_of_script: string -> string
 
+  (** invoke a given function and return its value; in addition il will print
+   * the given string before invoking it and "/" ^ the given string afterwards.
+   * This permit tracing of functions which does not return a value *)
+val debug_wrap: string -> (unit -> 'a) -> 'a
+