method in go that sets a key into a struct
package main
import (
"fmt"
)
type record struct {
m []string
}
func (r record) set(key int, val string) {
r.m[key] = val
}
func main() {
practice := record{m:make([]string, 200)}
practice.set(3, "yo")
fmt.Println(practice.m)
}