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More efficient branch? word

db4
Slava Pestov 2008-07-27 22:45:46 -05:00
parent 74197538f5
commit 9cc761d899
1 changed files with 6 additions and 4 deletions
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10
extra/sequences/deep/deep.factor
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@ -5,10 +5,12 @@ IN: sequences.deep
! All traversal goes in postorder ! All traversal goes in postorder
: branch? ( object -- ? ) GENERIC: branch? ( object -- ? )
dup sequence? [
dup string? swap number? or not M: sequence branch? drop t ;
] [ drop f ] if ; M: integer branch? drop f ;
M: string branch? drop f ;
M: object branch? drop f ;
: deep-each ( obj quot: ( elt -- ) -- ) : deep-each ( obj quot: ( elt -- ) -- )
[ call ] 2keep over branch? [ call ] 2keep over branch?