example library using overloading

lib/resource-1.0/common/Overload.gf

@@ -0,0 +1,56 @@
+incomplete resource Overload = open Grammar in {
+
+  oper
+    pred = {
+      pred : V  -> NP -> Cl
+        = \v,np -> PredVP np (UseV v) ;
+      pred : V2 -> NP -> NP -> Cl
+        = \v,np,ob -> PredVP np (ComplV2 v ob) ;
+      pred : V3 -> NP -> NP -> NP -> Cl 
+        = \v,np,ob,ob2 -> PredVP np (ComplV3 v ob ob2) ;
+      pred : A  -> NP -> Cl 
+        = \a,np -> PredVP np (UseComp (CompAP (PositA a)))
+      } ;
+
+    mod = {
+      mod : A -> N -> CN
+        = \a,n -> AdjCN (PositA a) (UseN n) ;
+      mod : AP -> N -> CN
+        = \a,n -> AdjCN a (UseN n) ;
+      mod : AdA -> A -> AP
+        = \m,a -> AdAP m (PositA a) ;
+      mod : Quant -> N -> NP
+        = \q,n -> DetCN (DetSg (SgQuant q) NoOrd) (UseN n) ;
+      mod : Quant -> CN -> NP
+        = \q,n -> DetCN (DetSg (SgQuant q) NoOrd) n ;
+      mod : Predet -> N -> NP 
+        = \q,n -> PredetNP q (DetCN (DetPl (PlQuant IndefArt) NoNum NoOrd) (UseN n)) ;
+      mod : Num -> N -> NP
+        = \nu,n -> DetCN (DetPl (PlQuant IndefArt) nu NoOrd) n
+
+      } ;
+
+    coord = {
+      coord : Conj -> Adv -> Adv -> Adv
+        = \c,x,y -> ConjAdv and_Conj (BaseAdv x y) ;
+      coord : Conj -> AP -> AP -> AP
+        = \c,x,y -> ConjAP and_Conj (BaseAP x y) ;
+      coord : Conj -> NP -> NP -> NP
+        = \c,x,y -> ConjNP and_Conj (BaseNP x y) ;
+      coord : Conj -> S  -> S  -> S  
+        = \c,x,y -> ConjS and_Conj (BaseS x y)
+      } ;
+
+
+    mkNP = {
+      mkNP : Pron -> NP
+        = UsePron ;
+      mkNP : PN -> NP
+        = UsePN ;
+      mkNP : Quant -> N -> NP
+        = \q,n -> DetCN (DetSg (SgQuant q) NoOrd) (UseN n) ;
+      mkNP : Predet -> N -> NP 
+        = \q,n -> PredetNP q (DetCN (DetPl (PlQuant IndefArt) NoNum NoOrd) (UseN n))
+      } ;
+
+}

lib/resource-1.0/english/OverloadEng.gf

@@ -0,0 +1 @@
+resource OverloadEng = Overload with (Grammar = GrammarEng) ;