CoffeeScript has a feature like that, where a constructor can call parameters `@whatever` and they will be assigned to the object. For all the ways CoffeeScrip

CoffeeScript has a feature like that, where a constructor can call parameters `@whatever` and they will be assigned to the object. For all the ways CoffeeScript borrows from Python, but somehow makes it worse, that feature is actually very nice/useful (and not super confusing, either).