End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OptionParser::ParseError#inspect

inspect

# File tmp/rubies/ruby-3.0.5/lib/optparse.rb, line 2109
def inspect
  "#<#{self.class}: #{args.join(' ')}>"
end

No documentation available

See also .new #message .filter_backtrace #reason also in 3.3 · 3.2 · 3.1