38 lines
903 B
Factor
Executable File
38 lines
903 B
Factor
Executable File
USING: assocs kernel vectors sequences namespaces ;
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IN: assocs.lib
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: >set ( seq -- hash )
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[ dup ] H{ } map>assoc ;
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: ref-at ( table key -- value ) swap at ;
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: put-at* ( table key value -- ) swap rot set-at ;
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: put-at ( table key value -- table ) swap pick set-at ;
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: set-assoc-stack ( value key seq -- )
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dupd [ key? ] with find-last nip set-at ;
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: at-default ( key assoc -- value/key )
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dupd at [ nip ] when* ;
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: replace-at ( assoc value key -- assoc )
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>r >r dup r> 1vector r> rot set-at ;
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: insert-at ( value key assoc -- )
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[ ?push ] change-at ;
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: peek-at* ( assoc key -- obj ? )
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swap at* dup [ >r peek r> ] when ;
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: peek-at ( assoc key -- obj )
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peek-at* drop ;
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: >multi-assoc ( assoc -- new-assoc )
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[ 1vector ] assoc-map ;
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: multi-assoc-each ( assoc quot -- )
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[ with each ] curry assoc-each ; inline
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: insert ( value variable -- ) namespace insert-at ;
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