Re: [Vala] async method and delegate

[Jim Nelson <jim yorba org>]

Regarding copying delegates, it is intentional.  The Vala Journal has a nice
write-up about ways to work around the problem:

http://valajournal.blogspot.com/2011/06/vala-0130-released.html

-- Jim

On Sun, Jun 19, 2011 at 9:20 PM, Nor Jaidi Tuah <norjaidi tuah ubd edu bn>wrote:

> valac version: 0.13.0
>
> When an async method accepts a delegate as its
> argument, I get the warning "copying delegates is discouraged".
> Is this intended?
>
> I also get segmentation fault trying to pass
> a closure accessing local variables. The closure
> works if it doesn't access local vars.
>
> e.g.,
>  var f = etc;
>  async_func ( () => { fn (f);} );
>
> will crash trying to access f. Apparently
> the closure isn't properly constructed.
>
> Is this a known bug? Any simple workaround?
>
> hand
> Nor Jaidi Tuah
>
>
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