swift - Should I use weak self inside a computed property's closure? -

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i confused using self inside closure.

when should declare [weak self] ? obvious case understand is

class foo{      var closure: ( void -> void )?     var x = 0      func dosomething(){         closure = { [weak self] in             if let x = self?.x{                 println(x)             }         }     } }

however, if want create computed property bar, has closure, , captures self inside. this,

extension foo{      var bar: bar{         let bar = bar()         bar.completionhandler = {             println(self.x)         }         return bar     } }

should use [weak self] inside closure?


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