1 files changed, 11 insertions, 0 deletions
diff --git a/src/packrat.ads b/src/packrat.ads
index 628923f..1c81958 100644
--- a/src/packrat.ads
+++ b/src/packrat.ads
@@ -91,6 +91,17 @@ package Packrat is
 private
 
 
+    function "+"
+           (S : in String)
+        return Ada.Strings.Unbounded.Unbounded_String
+        renames Ada.Strings.Unbounded.To_Unbounded_String;
+
+    function "-"
+           (US : in Ada.Strings.Unbounded.Unbounded_String)
+        return String
+        renames Ada.Strings.Unbounded.To_String;
+
+
 end Packrat;