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langs a-z

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Ingy döt Net 2013-04-10 22:43:41 -07:00
parent db842d013d
commit d066446780
11389 changed files with 98361 additions and 1020 deletions
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14
Task/Associative-array-Iteration/Objective-C/associative-array-iteration-1.m Normal file
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NSDictionary *myDict = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt:13], @"hello",
[NSNumber numberWithInt:31], @"world",
[NSNumber numberWithInt:71], @"!", nil];
// iterating over keys:
for (id key in myDict) {
NSLog(@"key = %@", key);
}
// iterating over values:
for (id value in [myDict objectEnumerator]) {
NSLog(@"value = %@", value);
}

18
Task/Associative-array-Iteration/Objective-C/associative-array-iteration-2.m Normal file
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NSDictionary *myDict = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt:13], @"hello",
[NSNumber numberWithInt:31], @"world",
[NSNumber numberWithInt:71], @"!", nil];
// iterating over keys:
NSEnumerator *enm = [myDict keyEnumerator];
id key;
while ((key = [enm nextObject])) {
NSLog(@"key = %@", key);
}
// iterating over values:
enm = [myDict objectEnumerator];
id value;
while ((value = [enm nextObject])) {
NSLog(@"value = %@", value);
}

9
Task/Associative-array-Iteration/Objective-C/associative-array-iteration-3.m Normal file
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NSDictionary *myDict = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt:13], @"hello",
[NSNumber numberWithInt:31], @"world",
[NSNumber numberWithInt:71], @"!", nil];
// iterating over keys and values:
[myDict enumerateKeysAndObjectsUsingBlock: ^(id key, id value, BOOL *stop) {
NSLog(@"key = %@, value = %@", key, value);
}];