Hi Bima, prefer text instead of prints. It's faster to help somebody.
There's two ways to fix that problem.
1 - You need to use the same module name when import it. As the module name
is "main.go" (it's not recommend name like this) you need call it in the
import statement like this:
import(
"fmt"
math "main.go/math"
)
2 - You can rename the module name in the go.mod file to
golang-book/chapter11 (This module name is better than main.go) and use
this name as import to your code.
This is an example of how it might be written.
chapter11/
└── math
└── math.go
├── go.mod
├── main.go
go.mod
module golang-book/chapter11
go 1.22.0
math.go
package math
func Average(xs []float64) float64 {
total := float64(0)
for _, x := range xs {
total += x
}
return total / float64(len(xs))
}
main.go
package main
import (
"fmt"
"golang-book/chapter11/math"
)
func main() {
xs := []float64{1, 2, 3, 4}
avg := math.Average(xs)
fmt.Println(avg)
}
Result:
2.5
You can read this great tutorial: https://go.dev/doc/tutorial/create-module.
I hope I was able to help you :)
Cleberson Pauluci
Em segunda-feira, 25 de março de 2024 às 13:25:12 UTC-3, Bima lely escreveu:
> Can you help me? i am getting problems when running other program
> packages. This error appears *"go: file go.mod not found in current
> directory or any parent directory; see 'go help module'", [image:
> P3.PNG][image: P5.PNG][image: P4.PNG]* but when I try on my friend's
> laptop there is no error. I'm confused. I've been experiencing this for
> several weeks. I have attached the file along with a screenshot. Hopefully
> someone from my brothers and sisters can help me. Thank You.
>
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