[Swift-devel] variable cleanup

[Michael Wilde]

Great!  Allan, can you see if this now meets the NCAR needs for removal of temporary files?

- Mike


----- Original Message -----
> There is code in trunk now to clean up variables when they go out of
> scope. This applies to compound procedure scopes, iterate scopes,
> foreach scopes and if/[then|else]. And this reminds me, the
> main/program
> scope should also have this.
> 
> Cleanup means that:
> - some of the in-memory data is nullified. I'm not sure this is
> necessary since the data should be garbage collected by the java GC.
> - some mappers (in particular ones advertising themselves as temporary
> -
> e.g. concurrent) should remove the files that they created
> 
> Sadly this isn't fully what I wanted, for example:
> 
> file a[] <some proper mapper>;
> 
> foreach i in [1:1000000] {
> a[i] = generate(i);
> }
> 
> In the above case it would be nice if no memory reference would be
> held
> to the various a[i] after they are "assigned".
> 
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-- 
Michael Wilde
Computation Institute, University of Chicago
Mathematics and Computer Science Division
Argonne National Laboratory