go - How to find out element position in slice?

Question

How does one determine the position of an element present in slice?

I need something like the following:

type intSlice []int

func (slice intSlice) pos(value int) int {
    for p, v := range slice {
        if (v == value) {
            return p
        }
    }
    return -1
}

Answer 1

Waitting for answers