[MacRuby-devel] Invoking a block in MacRuby, instantiated in Objective-C
christian at nerdyc.com
Sun May 15 16:04:50 PDT 2011
Here's the ticket:
As I mentioned there, my use case isn't for a Cocoa API -- it's my own API. I'm using MacRuby to test my framework and have written a couple mock implementations in MacRuby to simplify testing.
On May 15, 2011, at 3:35 PM, Laurent Sansonetti wrote:
> Hi Christian,
> 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>
>> MacRuby-devel mailing list
>> MacRuby-devel at lists.macosforge.org
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