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Ingy döt Net 2013-04-10 22:43:41 -07:00
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REBOL [
Title: "Generic Swap"
Author: oofoe
Date: 2009-12-06
URL: http://rosettacode.org/wiki/Generic_swap
Reference: [http://reboltutorial.com/blog/rebol-words/]
]
swap: func [
"Swap contents of variables."
a [word!] b [word!] /local x
][
x: get a
set a get b
set b x
]
answer: 42 ship: "Heart of Gold"
swap 'answer 'ship ; Note quoted variables.
print rejoin ["The answer is " answer ", the ship is " ship "."]