method

delete_if

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delete_if() public

Deletes every element of the set for which block evaluates to true, and returns self. Returns an enumerator if no block is given.

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# File lib/set.rb, line 380
  def delete_if
    block_given? or return enum_for(__method__) { size }
    # @hash.delete_if should be faster, but using it breaks the order
    # of enumeration in subclasses.
    select { |o| yield o }.each { |o| @hash.delete(o) }
    self
  end

delete_if

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