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mirrors: simplify code with fry.

db4
John Benediktsson 2013-04-22 11:48:26 -07:00
parent e3c5b53610
commit 5f543dd8af
1 changed files with 11 additions and 12 deletions
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23
basis/mirrors/mirrors.factor
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@ -1,9 +1,8 @@
! Copyright (C) 2007, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: assocs hashtables kernel sequences generic words
arrays classes slots slots.private classes.tuple
classes.tuple.private math vectors math.vectors quotations
accessors combinators byte-arrays vocabs vocabs.loader ;
USING: accessors arrays assocs byte-arrays classes
classes.tuple classes.tuple.private combinators fry hashtables
kernel math quotations sequences slots slots.private vectors ;
IN: mirrors
TUPLE: mirror { object read-only } ;
@ -35,21 +34,21 @@ M: mirror delete-at ( key mirror -- )
[ f ] 2dip set-at ;
M: mirror clear-assoc ( mirror -- )
[ object>> ] [ object-slots ] bi [
[ initial>> ] [ offset>> ] bi swapd set-slot
] with each ;
[ object-slots ] [ object>> ] bi '[
[ initial>> ] [ offset>> _ swap set-slot ] bi
] each ;
M: mirror >alist ( mirror -- alist )
[ object-slots [ [ name>> ] map ] [ [ offset>> ] map ] bi ]
[ object>> [ swap slot ] curry ] bi
map zip ;
[ object-slots ] [ object>> ] bi '[
[ name>> ] [ offset>> _ swap slot ] bi
] { } map>assoc ;
M: mirror keys ( mirror -- keys )
object-slots [ name>> ] map ;
M: mirror values ( mirror -- values )
[ object-slots [ offset>> ] map ]
[ object>> [ swap slot ] curry ] bi map ;
[ object-slots ] [ object>> ] bi
'[ offset>> _ swap slot ] map ;
M: mirror assoc-size object>> layout-of second ;