Support for the Ruby 2.4 series has ended. See here for reference.
self
Switch that takes no arguments.
Switch
# File optparse.rb, line 655 def self.incompatible_argument_styles(*) end
# File optparse.rb, line 658 def self.pattern Object end
Raises an exception if any arguments given.
# File optparse.rb, line 650 def parse(arg, argv) yield(NeedlessArgument, arg) if arg conv_arg(arg) end
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