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instance method

OptionParser::ParseError#to_s

to_s

# File tmp/rubies/ruby-3.1.3/lib/optparse.rb, line 2074
def message
  "#{reason}: #{args.join(' ')}#{additional[@arg0] if additional}"
end

Alias of #message

Default stringizing method to emit standard error message.

See also #message #set_option #set_backtrace also in 3.3 · 3.2 · 3.0