B. Petersen 96c668ea04 use 'guard let self ...' (which is possible since Swift 4.2) instead of 'guard let strongSelf ...', thanks @cyberta 5 年之前
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Reachability.swift 96c668ea04 use 'guard let self ...' (which is possible since Swift 4.2) instead of 'guard let strongSelf ...', thanks @cyberta 5 年之前