[Openmcl-devel] Sending Variable-Arity Cocoa Messages

Randall Beer beer at eecs.cwru.edu
Tue Apr 12 19:02:24 PDT 2005

:array-with-objects is certainly predefined as a variable arity message 
in the bridge.

I'm headed out of town for a few days, so if there is some problem with 
the bridge's handling of variable arity messages, I'll try to get to it 
over the weekend.


On Mar 2, 2005, at 1:24 PM, markus64 at gmx.ch wrote:

> Hi. I'm trying to send variable-arity Cocoa messages using OpenMCL 
> 0.14.2-p1 on OS X, but I just don't seem to succeed. I did read 
> section 10.3.3 of the manual, and the stringWithFormat example does 
> work, but I can't seem to get anything else to work :-)
> How would I, for example, create a NSArray using +arrayWithObjects? 
> (ccl::send (find-class 'ns:ns-array) :objects (:double-float foo 
> :double-float bar)) gives me "Undefined function :DOUBLE-FLOAT" 
> errors. Using (DEFINE-VARIABLE-ARITY-MESSAGE "arrayWithObjects:") 
> didn't help either (same error), although I would think that shouldn't 
> be necessary anyway, since the manual claims that "The standard 
> variable arity messages in Cocoa are predeclared by the bridge".
> I have the same problem when trying to send other variable-arity 
> messages from OpenMCL, e.g. NSDictionary's 
> +dictionaryWithObjectsAndKeys. How am I supposed to do this?
> Any help is appreciated,
> Regards, Markus
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