[MacRuby-devel] Invoking a block in MacRuby, instantiated in Objective-C
lsansonetti at apple.com
Sun May 15 15:35:49 PDT 2011
I think I only implemented Ruby -> ObjC blocks support, not the other way around :) I didn't know Cocoa was exposing APIs returning ObjC blocks yet. Could you file a ticket? I will try to get that fixed in the upcoming release.
On May 15, 2011, at 1:42 PM, Christian Niles wrote:
> Hey All,
> There's plenty of documentation showing how one can use Proc objects to invoke Objective-C methods that accept block parameters, but I can't find any way to invoke an Objective-C block from within a Ruby method.
> Without thinking I had assumed they'd be mapped to a Proc-like object, which I could invoke with #call:
> def performOperation(operation, success:success_callback, error:error_callback)
> # ...
> result = "..."
> But I get an error: undefined method `call' for #<__NSAutoBlock__:0x2006b6560>
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