[Pkg] The Trunk: System-mt.765.mcz

commits at source.squeak.org commits at source.squeak.org
Fri Aug 28 08:02:31 UTC 2015

Marcel Taeumel uploaded a new version of System to project The Trunk:

==================== Summary ====================

Name: System-mt.765
Author: mt
Time: 28 August 2015, 10:02:11.682 am
UUID: b40396ff-9c0f-bb46-9317-779e2ccb6448
Ancestors: System-topa.764

For consistency, also support setting and restoring regular preference within the scope of a block. Like flags (i.e. boolean preferences) support it.

=============== Diff against System-topa.764 ===============

Item was added:
+ ----- Method: Preferences class>>setPreference:toValue:during: (in category 'get/set') -----
+ setPreference: prefSymbol toValue: anObject during: aBlock
+ 	(self valueOfPreference: prefSymbol) in: [:previous |
+ 		self setPreference: prefSymbol toValue: anObject.
+ 		aBlock ensure: [self setPreference: prefSymbol toValue: previous]].!

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