Method equals

output/java_guava/1.4.13/Functions.java:341–348

(@Nullable Object obj)

    }

    @Override
    public boolean equals(@Nullable Object obj) {
        if (obj instanceof ConstantFunction) {
        ConstantFunction<?> that = (ConstantFunction<?>) obj;
        return Objects.equal(value, that.value);
        }
        return false;
    }

    @Override
    public int hashCode() {