Oh sigh. Ignore this; Object class >> #subclass: is part of a strictly
local experiment (for easy scripting).

frank

On 7 June 2012 20:55,  <commits at source.squeak.org> wrote:
> A new version of Kernel was added to project The Inbox:
> http://source.squeak.org/inbox/Kernel-fbs.694.mcz
>
> ==================== Summary ====================
>
> Name: Kernel-fbs.694
> Author: fbs
> Time: 7 June 2012, 6:57:11.913 pm
> UUID: 0965fd0f-210b-41d8-9904-7efa44ed6f17
> 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 added:
> + ----- Method: Object class>>subclass: (in category 'instance creation') -----
> + subclass: aByteSymbol
> +       ^ self
> +               subclass: aByteSymbol
> +               instanceVariableNames: ''
> +               classVariableNames: ''
> +               poolDictionaries: ''
> +               category: InPackage value.!
>
> 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]].
>        ].!
>
>