[swift-users] Source code " : " guidelines

Kostiantyn Koval konstantin.koval1 at gmail.com
Sat Dec 5 09:38:08 CST 2015

Hi Swift team, 

Is there a perfect style for ":"  when declaring a Type?
I have seen 2 styles in Swift source code.

extension Deck : Equatable
extension Deck: Equatable 

Is there any guideline for it or both are acceptable?

Best Regards,

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