method

reject!

v2_2_9 - 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 353
  def reject!(&block)
    block or return enum_for(__method__)
    n = size
    delete_if(&block)
    size == n ? nil : self
  end

reject!

Related methods