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switch models reupdate on second switch

db4
Sam Anklesaria 2009-06-01 07:39:07 -05:00
parent 733dbe4585
commit 6819fcda4c
1 changed files with 1 additions and 1 deletions
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extra/ui/frp/signals/signals.factor
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@ -33,7 +33,7 @@ M: updater-model (model-changed) tuck updates>> =
TUPLE: switch-model < multi-model original switcher on ;
M: switch-model model-changed 2dup switcher>> =
[ [ value>> ] dip over [ t >>on set-model ] [ nip f swap (>>on) ] if ]
[ [ value>> ] dip over [ t >>on set-model ] [ nip [ original>> ] keep f >>on model-changed ] if ]
[ dup on>> [ 2drop ] [ [ value>> ] dip over [ set-model ] [ 2drop ] if ] if ] if ;
: <switch> ( signal1 signal2 -- signal' ) swap [ 2array switch-model <multi-model> ] 2keep
[ >>original ] [ >>switcher ] bi* ;