method

reject!

v2_1_10 - Show latest stable - Class: Set

reject!(&block)

public

Equivalent to Set#delete_if, but returns nil if no changes were made.

# File lib/set.rb, line 333
  def reject!(&block)
    block or return enum_for(__method__)
    n = size
    delete_if(&block)
    size == n ? nil : self
  end

reject!

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