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hash-sets: speed up diff, intersect, and union.

db4
John Benediktsson 2012-04-16 10:58:08 -07:00
parent 0c16b7cc1a
commit ca4d5cbde0
1 changed files with 4 additions and 1 deletions
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core/hash-sets/hash-sets.factor
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@ -1,6 +1,6 @@
! Copyright (C) 2010 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs hashtables kernel sets
USING: accessors assocs hashtables kernel sets sets.private
sequences parser ;
IN: hash-sets
@ -23,6 +23,9 @@ M: hash-set set-like drop dup hash-set? [ members >hash-set ] unless ;
M: hash-set clone table>> clone hash-set boa ;
M: hash-set null? table>> assoc-empty? ;
M: hash-set cardinality table>> assoc-size ;
M: hash-set intersect small/large sequence/tester filter >hash-set ;
M: hash-set union [ members ] bi@ append >hash-set ;
M: hash-set diff sequence/tester [ not ] compose filter >hash-set ;
M: sequence fast-set >hash-set ;
M: f fast-set drop H{ } clone hash-set boa ;