Re: Checking One Array Against Another
Re: Checking One Array Against Another
- Subject: Re: Checking One Array Against Another
- From: Graff <email@hidden>
- Date: Sat, 29 Nov 2008 01:51:14 -0500
On Nov 28, 2008, at 9:59 PM, Pierce Freeman wrote:
Would there be some way using the NSSet method to output a list of the
applications that the user needs to close in order for the current
applications to be "in the good list"?
You can use the NSMutableSet method minusSet:
NSSet *allowedSet = [NSSet setWithObjects:@"one",@"two",@"three",nil];
NSMutableSet *openSet = [NSMutableSet
setWithObjects:@"one",@"four",@"five",nil];
if([openSet isSubsetOfSet:allowedSet])
NSLog(@"The user has only the okay applications open");
else
{
NSLog(@"The user has these not okay applications open:");
[openSet minusSet:allowedSet];
for(id anItem in openSet)
NSLog(anItem);
}
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