A new version of Kernel was added to project The Inbox:
http://source.squeak.org/inbox/Kernel-fbs.695.mcz

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

Name: Kernel-fbs.695
Author: fbs
Time: 7 June 2012, 9:05:22.987 pm
UUID: 0b1b9159-c4b6-4c3b-934c-c19d87b758b2
Ancestors: Kernel-nice.693

* Use the canonical Array empty rather than #();
* the instvar's initialised to an Array anyway so #ifNotNil: is a no-op.

=============== Diff against Kernel-nice.693 ===============

Item was changed:
  ----- Method: Promise>>initialize (in category 'initialize') -----
  initialize
  	isResolved := false.
+ 	resolvers := Array empty.
- 	resolvers := #().
  	mutex := Mutex new.!

Item was changed:
  ----- Method: Promise>>resolveWith: (in category 'resolving') -----
  resolveWith: arg
  	"Resolve this promise"
  	mutex critical: [
  		isResolved ifTrue: [self error: 'Promise was already resolved'].
  		value := arg.
  		isResolved := true.
+ 		resolvers do: [:r | self evaluateResolver: r].
- 		resolvers ifNotNil: [resolvers do: [:r | self evaluateResolver: r]].
  	].!