method

proper_superset?

Ruby latest stable (v2_5_5) - 0 notes - Class: Set

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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 272
  def proper_superset?(set)
    case
    when set.instance_of?(self.class) && @hash.respond_to?(:>)
      @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

proper_superset?

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