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YAPC::EU 2018 Glasgow Update!

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Ingy döt Net 2018-08-17 15:15:24 +01:00
parent 22f33d4004
commit 4e2d22a71d
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Task/Queue-Usage/Factor/queue-usage-1.factor Normal file
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USING: combinators deques dlists kernel prettyprint ;
IN: rosetta-code.queue-usage
DL{ } clone { ! make new queue
[ [ 1 ] dip push-front ] ! push 1
[ [ 2 ] dip push-front ] ! push 2
[ [ 3 ] dip push-front ] ! push 3
[ . ] ! DL{ 3 2 1 }
[ pop-back drop ] ! pop 1 (and discard)
[ pop-back drop ] ! pop 2 (and discard)
[ pop-back drop ] ! pop 3 (and discard)
[ deque-empty? . ] ! t
} cleave