End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OptionParser::Arguable#parse!

parse!

# File tmp/rubies/ruby-3.1.3/lib/optparse.rb, line 2183
def parse!() options.parse!(self) end

Parses self destructively and returns self containing the rest arguments left unparsed.

See also #order! #permute! #options= also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0