Frank Shearar uploaded a new version of Environments to project The Trunk:
http://source.squeak.org/trunk/Environments-fbs.10.mcz==================== Summary ====================
Name: Environments-fbs.10
Author: fbs
Time: 3 January 2013, 2:16:59.903 pm
UUID: 260febde-ffc4-439e-bdf4-437505bd545b
Ancestors: Environments-fbs.9
Environment >> #at:ifPresent:ifAbsent:.
=============== Diff against Environments-fbs.9 ===============
Item was added:
+ ----- Method: Environment>>at:ifPresent:ifAbsent: (in category 'accessing') -----
+ at: aSymbol ifPresent: presentBlock ifAbsent: absentBlock
+ ^ contents
+ at: aSymbol
+ ifPresent: presentBlock
+ ifAbsent: absentBlock.!