// Look up a previously instantiated invariant.
 public static EltwiseIntEqual find(PptSlice ppt) {
   Assert.assertTrue(ppt.arity() == 1);
   for (Invariant inv : ppt.invs) {
     if (inv instanceof EltwiseIntEqual) return (EltwiseIntEqual) inv;
   }
   return null;
 }
Esempio n. 2
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 // Look up a previously instantiated SubSequence relationship.
 public static SubSequence find(PptSlice ppt) {
   Assert.assertTrue(ppt.arity() == 2);
   for (Invariant inv : ppt.invs) {
     if (inv instanceof SubSequence) return (SubSequence) inv;
   }
   return null;
 }
 // Look up a previously instantiated invariant.
 public static /*@Nullable*/ EltwiseIntLessThan find(PptSlice ppt) {
   assert ppt.arity() == 1;
   for (Invariant inv : ppt.invs) {
     if (inv instanceof EltwiseIntLessThan) return (EltwiseIntLessThan) inv;
   }
   return null;
 }