FFI fix, new construct

[Brian Rice]

#ifCompletes:otherwise: was renamed to #ifCompletes:ifFails: now and  
are bootstrapped into the alpha images.

On Feb 10, 2006, at 11:37 AM, Brian Rice wrote:

> Hello,
>
> Thanks to some investigation via a contributor, I've figured out  
> the right fix for unsuccessful attempts to load an ExternalLibrary.  
> Also in that line of work, I noticed that unlessCompletes: and  
> ifCompletes: would be best implemented with a single construct, so  
> there is now:
>
> m@(Method traits) ifCompletes: successBlock otherwise: errorBlock
> "Executes the first method, and then executes either the  
> successBlock or the
> errorBlock depending on whether there is a non-local exit that  
> prevents the
> first from completing normally."
> [| exitedNormally result |
>   exitedNormally: False.
>   [result: m do. exitedNormally: True. result]
>     ensure: [exitedNormally ifTrue: [successBlock do] ifFalse:  
> [errorBlock do]]
> ].
>
> which I may rename as ifCompletes:ifFails: but that is not hard to  
> change at all. The important thing is that this nicely mirrors  
> ifTrue:ifFalse: and both ifCompletes: and unlessCompletes: are now  
> implemented in terms of it.

--
-Brian
http://tunes.org/~water/brice.vcf

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