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Last metaprogramming feature we'll cover today: runtime mixins. = @Mixin allowed you to mixin new behavior to classes you owned and were desi= gning. But you could not mixin anything to types you didn't own. Runtime mi= xins propose to fill that gap by letting you add a mixin on any type at run= time. If we think again about our example of vehicles with some mixed-in ca= pabilities, if we didn't own James Bond's vehicle and give it some= diving ability, we could use this mechanism:=20 =20
One or more mixins can be passed as argument to the static mixin() metho= d added by Groovy on Class.