Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
OptionParser::Arguable#parse!
parse!
lib/optparse.rb
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# File tmp/rubies/ruby-3.3.0/lib/optparse.rb, line 2288
def parse!() options.parse!(self) end
Parses self destructively and returns self containing the rest arguments left unparsed.