End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
class method
OptionParser::Arguable.extend_object
extend_object(obj)
lib/optparse.rb
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# File tmp/rubies/ruby-3.1.3/lib/optparse.rb, line 2203
def self.extend_object(obj)
super
obj.instance_eval {@optparse = nil}
end
Initializes instance variable.