That construct, when used to limit the scope of certain variables, is sometimes called an anonymous block - as opposed to one with a label: 
NAMEDBLOCK: {
    # ...
    # ...
}

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The functions you declare inside this block are indeed closures as perrin notes.

Makeshifts last the longest.

In reply to Re: Smaller than an object? by Aristotle
in thread Smaller than an object? by Mur

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