[squeak-dev] The Inbox: Morphic-dtl.1360.mcz

Bob Arning arning315 at comcast.net
Sun Nov 12 15:54:19 UTC 2017


One caveat is that "self world" for a Morph will answer nil if the morph 
is not currently *in* a world.


On 11/12/17 10:11 AM, David T. Lewis wrote:
> The "self world" expression works for morphs, and certainly it is easier to read.
> It may be somewhat slower, although that would not be a concern in most usages.
>
> My main concern is correctness, because failures in this area can hang up the
> UI entirely, and errors are difficult to debug.
>
> When transitioning from one project to another the World variable is set to
> the new project's world in #finalEnterActions:.  Thus the World global is a
> shortcut reference to the world of the current project, and that is what leads
> me to suggest the expression "Project current world".

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