in core/src/main/java/org/apache/commons/functor/adapter/FullyBoundNullaryFunction.java [87:100]
public int hashCode() {
int hash = "FullyBoundNullaryFunction".hashCode();
hash <<= 2;
hash ^= function.hashCode();
hash <<= 2;
if (null != left) {
hash ^= left.hashCode();
}
hash <<= 2;
if (null != right) {
hash ^= right.hashCode();
}
return hash;
}