Simple Collect func for an Array or Slice of strings

collect1.go

package main

import "strings"
import "fmt"

func Collect(list []string, f func(string) string) []string {
    result := make([]string, len(list))
    for i, item := range list {
        result[i] = f(item)
    }
    return result
}

func main() {
  var cars = []string{"Saab", "Volvo", "Lexus", "Subaru"}

  fmt.Println(Collect(cars, strings.ToUpper))
}