This is a prime use for Higher Order messaging:
http://www.metaobject.com/papers/Higher_Order_Messaging_OOPSLA_2005.pdf
http://www.cocoadev.com/index.pl?HigherOrderMessaging
http://www.oreilly.com/pub/a/mac/2004/07/16/hom.html
HOM takes this
// which of these employee objects earn more than 10
Cocoa doesn't have ordered sets. It has arrays (NSArray), unordered sets
(NSSet), and unordered key-value tables (NSDictionary). Any of these can
optionally be mutable. NSCountedSet also allows for the equivalent of a
"multiset," but for some reason there is no NSCountedDictionary, for the
equi
You may also want to look in to NSPredicate and an arrays
'filteredArrayUsingPredicate:' method.
http://developer.apple.com/documentation/Cocoa/Reference/Foundation/Classes/NSPredicate_Class/Reference/NSPredicate.html
http://theocacao.com/document.page/346
http://developer.apple.com/documentati
On Apr 7, 2008, at 5:33 AM, Paul Sargent wrote:
Can anybody suggest a good way to:
1) Given an ordered set of objects, create a new non-mutable ordered
set,
with all the duplicates removed?
You could do this using the KVC set and array operators (http://developer.apple.com/documentation/C
On 7 Apr '08, at 5:33 AM, Paul Sargent wrote:
Can anybody suggest a good way to:
1) Given an ordered set of objects, create a new non-mutable ordered
set,
with all the duplicates removed?
2) Given an ordered set of objects, create a new non-mutable ordered
set,
with each entry being the o
Coming from other object based languages I'm aware that each language can
have it's own idioms for common tasks. In particular coming from doing a lot
of python, I'm finding myself wanting to do a few things with NSArrays that
I would do quite easily with python lists.
Can anybody suggest a good w
