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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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5
Task/Generic-swap/TXR/generic-swap-1.txr Normal file
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(defmacro swp (left right)
(with-gensyms (tmp)
^(let ((,tmp ,left))
(set ,left ,right
,right ,tmp))))

7
Task/Generic-swap/TXR/generic-swap-2.txr Normal file
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(defmacro swp (left right)
(with-gensyms (tmp lpl rpl)
^(placelet ((,lpl ,left)
(,rpl ,right))
(let ((,tmp ,lpl))
(set ,lpl ,rpl
,rpl ,tmp)))))

7
Task/Generic-swap/TXR/generic-swap-3.txr Normal file
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(defmacro swp (left right :env env)
(with-gensyms (tmp)
(with-update-expander (l-getter l-setter) left env
(with-update-expander (r-getter r-setter) right env
^(let ((,tmp (,l-getter)))
(,l-setter (,r-getter))
(,r-setter ,tmp))))))