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Re: Function as an argument
From: |
Akiko Ogawa - RS/GIS lab |
Subject: |
Re: Function as an argument |
Date: |
Tue, 4 Apr 2000 16:57:08 -0600 (MDT) |
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
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Akiko Ogawa
Forest Resources Department
Utah State University
address@hidden
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