[Mutate string] How to change individual chars of a string. From https://golangbot.com/strings/ #go #golang #strings

MutateString.go

package main

import (  
    "fmt"
)

func mutate(s []rune) string {  
    s[0] = 'a' 
    return string(s)
}
func main() {  
    h := "hello"
    fmt.Println(mutate([]rune(h)))
}