Companion
Functions
Answer whether this set contains the specified element.
Answer true if and only if every element of the receiver is also present in the provided set.
Check if all elements of the set are instances of the specified kind (any type that isn't an instance type).
Answer a set containing all values that are present simultaneously in both the receiver and the otherSet.
Answer whether the receiver and otherSet have any elements in common.
Answer the given A_Set's size.
Answer a set containing all the elements of this set and all the elements of the otherSet.
Answer a set like this one but with newElementObject present. If it was already present in the original set then answer that. The set might be modified in place (and then returned) if canDestroy is true and the set is mutable.
Answer an A_Set with an additional element. The original can be destroyed if it's mutable.
Answer a set like this one but with elementObjectToExclude absent. If it was already absent in the original set then answer that. The set might be modified in place (and then returned) if canDestroy is true and the set is mutable.