superset?(set)
public
Returns true if the set is a superset of the given set.
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def superset?(set)
case
when set.instance_of?(self.class)
@hash >= set.instance_variable_get(:@hash)
when set.is_a?(Set)
size >= set.size && set.all? { |o| include?(o) }
else
raise ArgumentError, "value must be a set"
end
end