method

proper_superset?

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proper_superset?(set) public

Returns true if the set is a proper superset of the given set.

# File lib/set.rb, line 197
  def proper_superset?(set)
    set.is_a?(Set) or raise ArgumentError, "value must be a set"
    return false if size <= set.size
    set.all? { |o| include?(o) }
  end

proper_superset?

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