Hello,
considering this code
```
package main
import (
"fmt"
)
func main() {
host := []string{"127", "0", "0", "1"}
fmt.Printf("%v.%v.%v.%v\n", host[0], host[1], host[2], host[3])
fmt.Printf("%v.%v.%v.%v\n", host[0:4]...)
}
```
The first Printf works and prints the host value.
While the
Thank you all :)
Le jeu. 25 juin 2020 à 06:37, andrey mirtchovski a
écrit :
> >> fmt.Formatter is woefully under documented.
> >
> > My reference is pkg/errros -
> https://github.com/pkg/errors/blob/master/errors.go#L127
>
> we have wasted tens of man-hours hunting for a bug that didn't
>