Andreas Raab uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-ar.147.mcz
==================== Summary ====================
Name: Collections-ar.147 Author: ar Time: 29 September 2009, 11:39:57 am UUID: bef1189d-525b-c540-a331-e19062c1ecbf Ancestors: Collections-ar.146, Collections-ul.136
Merging Collections-ul.136
- primitive 60 won't help with Array >> #at:ifAbsent: because it accepts only one parameter, so changed SequenceableCollection >> #at:ifAbsent: to get some improvement (assumes that indexes greater than the upper bound are more common than indexes smaller than the lower bound)
=============== Diff against Collections-ar.146 ===============
Item was changed: ----- Method: SequenceableCollection>>at:ifAbsent: (in category 'accessing') ----- at: index ifAbsent: exceptionBlock "Answer the element at my position index. If I do not contain an element at index, answer the result of evaluating the argument, exceptionBlock."
+ (index <= self size and: [ 1 <= index ]) ifTrue: [ ^self at: index ]. + ^exceptionBlock value! - (index between: 1 and: self size) ifTrue: [^ self at: index]. - ^ exceptionBlock value!