Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
OptionParser#to_s
() -> ::String
to_s
lib/optparse.rb
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# File tmp/rubies/ruby-3.4.1/lib/optparse.rb, line 1407
def help; summarize("#{banner}".sub(/\n?\z/, "\n")) end
Alias of #help
Returns option summary string.