[Biococoa-dev] Base test

Jim Balhoff james.balhoff at duke.edu
Fri Aug 13 14:51:21 EDT 2004

Sorry to reply to my own message - I just read the earlier stuff more 
closely!  My apologies for completely misunderstanding.  I'll think 
about this some more, and probably go back to my writing...

- Jim

On Aug 13, 2004, at 2:34 PM, Jim Balhoff wrote:

> Hi John,
> On Aug 13, 2004, at 1:39 PM, John Timmer wrote:
>> I was aware of the foundation functions that take strings for 
>> arguments and return selectors/classes.  Unfortunately, if we’re 
>> going to use singletons, we’d need to call Class methods to create 
>> them, not instance methods, and I’m not aware of any mechanism for 
>> calling a selector on a Class.
> I'm not exactly sure what you mean here - are you asking how to call a 
> class method?  These are just defined with a "+" instead of a "-" in 
> the header.  So you would just send a message to the class itself (no 
> need to allocate it or anything).  Like:
> BCNucleotide *myG = [BCNucleotide gNucleotide];
> The BCNucleotide class method would either allocate a new G instance, 
> or return one it already made.
> Sorry I haven't been participating much in the design discussions - 
> I'm trying to write a dissertation here!  I am hoping to have lots of 
> time for coding in a couple of months.
> - Jim
> ____________________________________________
> James P. Balhoff
> Dept. of Biology
> Duke University
> Durham, NC 27708-0338

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