> Le 17 oct. 2016 à 23:20, Max Moiseev via swift-evolution 
> <swift-evolution@swift.org> a écrit :
> Hi Louis,
> I believe, sometimes there are situations where you know for sure that your 
> collection is not empty. Maybe you are already in the context where the check 
> has been performed. In these cases there is no reason you’d have to pay the 
> price of an emptiness check once again.

You have to pay the price anyway, as the check has to be performed to decide if 
the software should abort.

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