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Set

inherits Iterable final

WARNING: known to be broken

methods

• add(value) adds a value to a set. Returns true if the value was added, false if the value was already contained in the set
• remove(value) removes a value from a set. Silently does nothing if the value was never in the set
• union(set) Returns a new Set with the combined values of both sets
• intersect(set) Returns a new Set containing the values that were in both sets
• difference(set) Returns a new Set with the values in the callee that are not in the argument Set
• to_list() Returns a list of the values in the Set. Not guaranteed to be in any specific order
• to_string() Returns a string representation of the Set.
• empty?() Returns true if there are no values in the Set.
• count() Returns the number of values in the Set.`

operators

• | performs a union
• & performs an intersection
• - performs a difference