in Sources/RxCBCentral/core/RxCentralDelegate.swift [99:104]
func centralManager(_ central: CBCentralManager,
didFailToConnect peripheral: CBPeripheral,
error: Error?) {
didFailToConnectSubject.onNext((peripheral, error))
RxCBLogger.sharedInstance.log("Failed to connect: \(peripheral.description)\nError: \(error?.localizedDescription ?? "none")")
}