Re: Function as an argument

[Akiko Ogawa - RS/GIS lab]

Marcus,

>AO> 2) Can a selecter be a function that returns a value, as in
>AO> M(getSomething), where, -(int) getSomething?
>
>Strictly speaking, no.  It has to be a an `id'-like thing (typically
>a 32 bit value).  `int' will work most places.

So you are saying M(getAnObject) is OK, where, -(id) getAnObject? 
In my previous example, can I do this:

  id myEgg = [obj perform: sel with: egg];
  
if the passed function that is represented by sel returns an id??

Thank you.
Akiko
-------------------------------------------
Akiko Ogawa
Forest Resources Department
Utah State University
address@hidden
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