block^ question

[VinC_HK]

When will we use blocks in our apps?
e.g.
[aDictionary enumerateKeysAndObjectsUsingBlock:^ ...]

[Duncan C]

Originally Posted by VinC_HK

When will we use blocks in our apps?
e.g.
[aDictionary enumerateKeysAndObjectsUsingBlock:^ ...]

When you need to.

Sure, enumerating the keys of a dictionary would be one place. There are array sorting methods that take blocks. There are also lots of animation methods that take blocks.