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swap two variables

Name: Anonymous 2007-09-30 7:55 ID:F38kBPKI

hi



(setq x (prog2 0 y (setq y x)))

i bet your language can't do it.

Name: Anonymous 2007-09-30 14:46 ID:7xqwMdmd

list($y, $x) = array($x, $y);

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