[Biococoa-dev] Base test
james.balhoff at duke.edu
Fri Aug 13 14:34:35 EDT 2004
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.
James P. Balhoff
Dept. of Biology
Durham, NC 27708-0338
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