Xcode 4

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hi guys,

started learning programming using xcode 3, because book learning used that. decided however, beneficial move on xcode 4. however, in xcode 4, when comes releasing objects doesn't let use:
code:
  -(void)dealloc {  [<variable> release];  [super dealloc];  }
it comes errors

'arc forbids explicit message send of 'release'
'arc forbids explicit message send of 'dealloc'

i'm not sure how realise objects.

help/advice great!

cheers
 

looks you're using xcode 4.2 beta.

@ least parts of under nda guess, suggest have @ apple documentation , of wwdc 2011 'developer tools' track videos find out more arc, , why it's preventing releasing objects.
 


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