@Override protected boolean checkAssignmentBound(TType rhs) { // ? extends Number is a set of all subtyes of number and number. // so the only thing that can be assigned is null since null is // a sub type of everything return rhs.isNullType(); }
protected boolean checkAssignmentBound(TType rhs) { // unbound equals ? extends Object. return rhs.isNullType(); }
@Override protected boolean checkAssignmentBound(TType rhs) { // ? extends Number is a set of all subtyes of number and number. // so the only thing that can be assigned is null since null is // a sub type of everything return rhs.isNullType(); }
@Override protected boolean checkAssignmentBound(TType rhs) { // unbound equals ? extends Object. return rhs.isNullType(); }
@Override protected boolean checkAssignmentBound(TType rhs) { // unbound equals ? extends Object. return rhs.isNullType(); }
protected boolean checkAssignmentBound(TType rhs) { // ? extends Number is a set of all subtyes of number and number. // so the only thing that can be assigned is null since null is // a sub type of everything return rhs.isNullType(); }
if (this == set) return this; if (fType.isNullType()) return this; final SuperTypeSingletonSet singleton= (SuperTypeSingletonSet) set; return SuperTypeSet.getEmpty(); } else if (set instanceof SuperTypeTuple) { if (fType.isNullType()) return this; final SuperTypeTuple tuple= (SuperTypeTuple) set;
if (this == set) return this; if (fType.isNullType()) return this; final SuperTypeSingletonSet singleton= (SuperTypeSingletonSet) set; return SuperTypeSet.getEmpty(); } else if (set instanceof SuperTypeTuple) { if (fType.isNullType()) return this; final SuperTypeTuple tuple= (SuperTypeTuple) set;
if (this == set) return this; if (fType.isNullType()) return this; final SuperTypeSingletonSet singleton= (SuperTypeSingletonSet) set; return SuperTypeSet.getEmpty(); } else if (set instanceof SuperTypeTuple) { if (fType.isNullType()) return this; final SuperTypeTuple tuple= (SuperTypeTuple) set;