Method: Map#forcing

Defined in:
lib/map.rb

#forcing(forcing = nil, &block) ⇒ Object 



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# File 'lib/map.rb', line 994

def forcing(forcing=nil, &block)
  @forcing ||= nil

  if block
    begin
      previous = @forcing
      @forcing = forcing
      block.call()
    ensure
      @forcing = previous
    end
  else
    @forcing
  end
end