fails:Array.try_convert returns the argument if it's an Array
fails:Array.try_convert returns the argument if it's a kind of Array
fails:Array.try_convert returns nil when the argument does not respond to #to_ary
fails:Array.try_convert sends #to_ary to the argument and returns the result if it's nil
fails:Array.try_convert sends #to_ary to the argument and returns the result if it's an Array
fails:Array.try_convert sends #to_ary to the argument and returns the result if it's a kind of Array
fails:Array.try_convert sends #to_ary to the argument and raises TypeError if it's not a kind of Array
fails:Array.try_convert does not rescue exceptions raised by #to_ary
