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[hcoop/portal.git] / util.sig

diff --git a/util.sig b/util.sig
index 5a5697b..9c7b4fc 100644 (file)
--- a/util.sig
+++ b/util.sig
@@ -29,4 +29,6 @@ sig
     val readFile : string -> string
 
     val mem : ''a * ''a list -> bool
+
+    val allLower : string -> string
 end