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comp.lang.lisp

Re: tricks that made you grin or grimace

William James

11/9/2015 12:28:00 AM

Rob Warnock wrote:

> | Have you seen any snippet of Lisp that made you do a double-take,
> | work out what's happening, and then groan or smile?
> ...
> | (defun string-repeated (string count)
> | (format nil "~v@{~A~:*}" count string))
> +---------------
>
> Hmmm...
>
> > (string-repeated "foo" 5)
>
> Error in format: No corresponding close brace.
> ~v@{~A~:*}
> ^
> [Condition of type FORMAT::FORMAT-ERROR]

MatzLisp (Ruby):

'ok' * 8
==>"okokokokokokokok"

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