Am 23.04.2012 12:19, schrieb Invisible:

> A less abstract way to think about it is this: If you have a value like
> x, you can put that inside a "box", which I will denote as [x]. Any
> value can be put in a box; in particular, you can put a /box/ in a box,
> for example [[x]].

I suggest thinking outside the box... (sorry, pun definitely intended).

Call it a wrapper object, and I guess we're fine.

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