in core/src/main/java/org/apache/commons/functor/core/Constant.java [115:124]
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof Constant<?>)) {
return false;
}
Constant<?> that = (Constant<?>) obj;
return null == this.value ? null == that.value : this.value.equals(that.value);
}