[swift-evolution] What are the rules for including @ with attributes/keywords and the possibility of removing it

Brandon Knope bknope at me.com
Mon Jan 11 11:49:23 CST 2016


Is there a particular reason why there is a @ prepending these attributes/keywords?

func test(@autoclosure test: () -> Bool) -> Void


func test(autoclosure test: () -> Bool) -> Void 

It seems cleaner/clearer without @ sprinkled everywhere, but what is the rationale behind needing the @ symbol?

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