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-rw-r--r--perl_checker.src/common.ml2
1 files changed, 2 insertions, 0 deletions
diff --git a/perl_checker.src/common.ml b/perl_checker.src/common.ml
index 45e6ec1..c4600ff 100644
--- a/perl_checker.src/common.ml
+++ b/perl_checker.src/common.ml
@@ -186,6 +186,8 @@ let rec stack2list s =
Stack.iter (fun e -> l := e :: !l) s ;
!l
+let rec queue2list q = rev (Queue.fold (fun b a -> a :: b) [] q)
+
let rec fix_point f p =
let p' = f p in
if p = p' then p else fix_point f p'