Method: OptionParser.inc

Defined in:
lib/optparse.rb

.inc(arg, default = nil) ⇒ Object

Returns an incremented value of default according to arg.



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# File 'lib/optparse.rb', line 853

def self.inc(arg, default = nil)
  case arg
  when Integer
    arg.nonzero?
  when nil
    default.to_i + 1
  end
end