[squeak-dev] Re: [Vm-dev] New Window VM (Closures, FT2Plugin,
Large Cursors)
Eliot Miranda
eliot.miranda at gmail.com
Tue Mar 10 00:08:58 UTC 2009
On Mon, Mar 9, 2009 at 3:58 PM, Keith Hodges <keith_hodges at yahoo.co.uk>wrote:
> Keith Hodges wrote:
> > Keith Hodges wrote:
> >
> >>> I will at some point push out a 3.8.22 VM that should put up a more
> >>> helpful dialog message, but people who have older VMs underfoot
> >>> should realize this behaviour should be an indication that perhaps
> >>> your VM is too old.
> >>>
> >>>
> >> Unfortunately the machine that I have designated for Bob to be an auto
> >> build/test server is a power-pc machine. What are the chances of a
> >> power-pc version of the closures vm?
> >>
> >> just interested to know
> >>
> >> Keith
> >>
> > Ok I see it is designated beta1U for universal, so the problem lies
> > elsewhere!
> >
> > Keith
> >
> OK so assigining to closure temporaries is no-longer allowed and flags a
> syntax error (not my code you understand)
There is a preference that allows one to compile old code that does assign
to block arguments. Its called allowBlockArgumentAssignment. Of course one
can assign to closure temporaries. e.g.
self do: [:i| | j | j := i + 1. ...
But assigning to a block argument is dubious.
>
>
> Keith
>
>
>
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