Question

Which statements are true? (multiple answers)

```Go
func fetch(ctx context.Context, i int) error {
	return fmt.Errorf("error from goroutine %d", i)
}

func main() {
	g, _ := errgroup.WithContext(context.Background())

for i := range 1000 {
		g.Go(func() error {
			return fetch(context.Background(), i)
		})
	}

err := g.Wait()
	if err != nil {
		fmt.Println(err)
	}
}
```

Accepted Answer

`Wait` returns the first none nil error

Accepted Answer

When a goroutine fails, `ctx` is cancelled

Accepted Answer

`fetch` must monitor `ctx` for the goroutine to be specifically stopped

Answer

The other goroutines are automatically cancelled

Answer

`errgroup` limits the number of goroutines that are spawned

Question from the Go test