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instance method
OptionParser#on_tail
on_tail(*params, &block)
lib/optparse.rb
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# File tmp/rubies/ruby-3.3.0/lib/optparse.rb, line 1597
def on_tail(*opts, &block)
define_tail(*opts, &block)
self
end
Creates an option from the given parameters params. See Parameters for New Options.
The block, if given, is the handler for the created option. When the option is encountered during command-line parsing, the block is called with the argument given for the option, if any. See Option Handlers.
The new option is added at the tail of the summary.