reachability changed notification network status convenience unwrapped

snippet.m

+ (GCNetworkReachabilityStatus)statusFromNotification:(NSNotification *)notification {
    NSNumber *statusNumber = notification.userInfo[kGCNetworkReachabilityStatusKey];
    if (statusNumber == nil) {
        return GCNetworkReachabilityStatusNotReachable;
    }

    GCNetworkReachabilityStatus status = [statusNumber intValue];

    return status;
}