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authorMiguel Sofer <miguel.sofer@gmail.com>2005-04-02 02:08:22 (GMT)
committerMiguel Sofer <miguel.sofer@gmail.com>2005-04-02 02:08:22 (GMT)
commit95b50e96cfeca13080aa95e5a4cd378cbea25955 (patch)
tree60e127a56dc4b46c2944f5cd3e2270be9489cdca /ChangeLog.1999
parentfbb5749d9fa84503a3480ab6e24a9f0436772110 (diff)
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Changed the internal representation of lists to (a) reduce the malloc/free
calls at list creation (from 2 to 1), (b) reduce the cost of handling empty lists (we now never create a list internal rep for them), (c) allow refcounting of the list internal rep. The latter permits insuring that the pointers returned by Tcl_ListObjGetElements remain valid even if the object shimmers away from its original list type. This is [Patch 1158008]
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