func WithTimeout func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)). Canceling this context releases resources associated with it, so code should call cancel as soon as the operations running in this Context complete: func slowOperationWithTimeout(ctx context.Context) (Result, error) { ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond) defer cancel() // releases resources if slowOperation c...