Method: Set#superset?

Defined in:
lib/set.rb

#superset?(set) ⇒ Boolean Also known as: >=

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

Returns:

  • (Boolean) 


402
403
404
405
406
407
408
409
410
411
 
# File 'lib/set.rb', line 402

def 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?(self)
  else
    raise ArgumentError, "value must be a set"
  end
end