https://stackoverflow.com/q/78541331/1271826

Something.swift

Task {
    await withDiscardingTaskGroup { group in // or, `withTaskGroup(of: Void.self) { group in … }`
        for destination in pingResults.keys {
            let hostname = destination.hostname
            group.addTask { [self] in
                do {
                    let averagePing = try await getAveragePing(hostname: hostname, interval: 1, timeout: 2, attempts: 5)
                    
                    pingResults[destination] = .success(averagePing)
                    processingFirstResult = false
                } catch let error as PingError {
                    pingResults[destination] = .failure(error)
                } catch {
                    fatalError("Unhandled error pinging: \(error)")
                }
            }
        }
    }
}