I absolutely love the yield idea, very python-twisted'ish. Lets make sure the yield can return a value as well so we can have the following:
var value = yield obj.do_something (); -- Christian On Tue, Sep 16, 2008 at 3:34 PM, Jürg Billeter <[EMAIL PROTECTED]> wrote: > On Tue, 2008-09-16 at 22:48 +0100, Sam Liddicott wrote: > > Here I am working my self into brain fever, and not a peep! > > > > No-one says "stop him, the fool" or "darn fiendish cunning" or even > > "he's using goto's, the churlish knave". > > > > No-ones saying "don't taint the language with your base practicalities" > > or even "whatever can it mean?" > > > > Someone say something before I get dragged back to more fiscally > > accountable projects. > > > > If I write the code is it likely to be accepted? > > I like the idea of adding language support for asynchronous method > calls, I was thinking of implementing this for some months but it wasn't > on the top of my todo list. > > I haven't tried implementing this, but I think that the Vala code could > be made even simpler and the labels should not be necessary. My idea is > to introduce a modifier/attribute to mark methods as async capable. If > you call an async method using the `yield' keyword, it will > automatically introduce a continuation point there, i.e., add a callback > and return in C. The async method call will not accept any delegate or > lambda, it will just implicitly use the rest of the method body. > > In contrast to your example, it should support the two situations (async > or sync call) without the if (request.may_async) in the Vala code, it > already has all the information necessary. It should probably generate > two public functions in C, an async and a sync version, similar to the > GIO API. > > Does this make sense or do you need an example? Do you see any issues > with this approach? > > Jürg > > _______________________________________________ > Vala-list mailing list > Vala-list@gnome.org > http://mail.gnome.org/mailman/listinfo/vala-list >
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