Need help with -mutableSetValueForKey:
Need help with -mutableSetValueForKey:
- Subject: Need help with -mutableSetValueForKey:
- From: David Spooner <email@hidden>
- Date: Fri, 21 Sep 2007 08:14:39 -0600
I'm having difficulty implementing a kvc-compliant set property using
methods. Say I have an object with a property called 'things'. The
documentation for -mutableSetValueForKey: specifies the additional
methods required for 'things' to be a mutable set :
- (void) addThingsObject:
- (void) removeThingsObject:
and refers to the documentation for -valueForKey: for the
prerequisites of an immutable set. These appear to be missing. I
have tried
- (unsigned int) countOfThings;
- (BOOL) containsThingsObject:(id)object;
- (NSEnumerator *) thingsEnumerator;
to no avail -- an exception complaining of non-compliance is raised on
invoking [object mutableSetValueForKey:@"things"].
Thanks in advance,
dave
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