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ios-labs-s14:advanced-blocks [2014/03/01 11:38]
mbarboi created
ios-labs-s14:advanced-blocks [2014/03/01 11:51]
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 </​code>​ </​code>​
 +Note the curly braces wrapping the code, followed the the square bracket closing the method call. 
 +Blocks introduce a number of scope issues:
 +  -Local and instance variables cannot be referred to in a block unless declared with the "​__block"​ prefix
 +  -Properties can be used using the "​"​
 +  -"​self"​ can be used in a block, but doing so **captures self**. This is potentially dangerous
 +Best practice is **not** to access local, instance, or public variables of a class within a block literal defined in that class.
ios-labs-s14/advanced-blocks.txt ยท Last modified: 2015/10/30 11:54 by mbarboi