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Clean up assocs to not use swapd

db4
Slava Pestov 2009-01-27 04:12:16 -06:00
parent 597be972b8
commit 2ed993ef58
1 changed files with 7 additions and 4 deletions
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11
core/assocs/assocs.factor
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@ -38,6 +38,9 @@ M: assoc assoc-like drop ;
: substituter ( assoc -- quot )
[ dupd at* [ nip ] [ drop ] if ] curry ; inline
: with-assoc ( assoc quot: ( value key -- assoc ) -- quot: ( key value -- ) )
curry [ swap ] prepose ; inline
PRIVATE>
: assoc-find ( assoc quot -- key value ? )
@ -81,7 +84,7 @@ PRIVATE>
M: assoc assoc-clone-like ( assoc exemplar -- newassoc )
[ dup assoc-size ] dip new-assoc
[ [ swapd set-at ] curry assoc-each ] keep ;
[ [ set-at ] with-assoc assoc-each ] keep ;
: keys ( assoc -- keys )
[ drop ] { } assoc>map ;
@ -93,7 +96,7 @@ M: assoc assoc-clone-like ( assoc exemplar -- newassoc )
[ at* ] 2keep delete-at ;
: rename-at ( newkey key assoc -- )
[ delete-at* ] keep [ swapd set-at ] curry [ 2drop ] if ;
[ delete-at* ] keep [ set-at ] with-assoc [ 2drop ] if ;
: assoc-empty? ( assoc -- ? )
assoc-size 0 = ;
@ -102,7 +105,7 @@ M: assoc assoc-clone-like ( assoc exemplar -- newassoc )
[ length 1- ] keep (assoc-stack) ; flushable
: assoc-subset? ( assoc1 assoc2 -- ? )
[ swapd at* [ = ] [ 2drop f ] if ] curry assoc-all? ;
[ at* [ = ] [ 2drop f ] if ] with-assoc assoc-all? ;
: assoc= ( assoc1 assoc2 -- ? )
[ assoc-subset? ] [ swap assoc-subset? ] 2bi and ;
@ -114,7 +117,7 @@ M: assoc assoc-clone-like ( assoc exemplar -- newassoc )
swap [ nip key? ] curry assoc-filter ;
: update ( assoc1 assoc2 -- )
swap [ swapd set-at ] curry assoc-each ;
swap [ set-at ] with-assoc assoc-each ;
: assoc-union ( assoc1 assoc2 -- union )
[ [ [ assoc-size ] bi@ + ] [ drop ] 2bi new-assoc ] 2keep