Making <hash-set> faster

2010-03-17 20:12:25 -04:00 · 2010-03-17 20:12:25 -04:00 · 67912db5f1
parent 248730d39f
commit 67912db5f1
1 changed files with 1 additions and 1 deletions
--- a/core/hash-sets/hash-sets.factor
+++ b/core/hash-sets/hash-sets.factor
@ -9,7 +9,7 @@ IN: hash-sets
 TUPLE: hash-set { table hashtable read-only } ;

 : <hash-set> ( members -- hash-set )
-    [ dup ] H{ } map>assoc hash-set boa ;
+    H{ } clone [ [ dupd set-at ] curry each ] keep hash-set boa ;

 INSTANCE: hash-set set
 M: hash-set in? table>> key? ; inline