started a directory of grammars testing testgf3 features

examples/features/Param.gf

@@ -0,0 +1,10 @@
+resource Param = {
+
+  param Bool = True | False ;
+
+  oper and : Bool -> Bool -> Bool = \x,y -> case x of {
+    True => y ;
+    _ => False
+    } ;
+
+}