package main

import (
  "fmt"
  "strings"
)

func main() {

  hdr := []string{"empid", "employee", "address", "hours worked",
    "hourly rate", "manager"}
  csvHdrCol(hdr)
  hdr2 := []string{"employee", "empid", "hours worked", "address",
    "manager", "hourly rate"}
  csvHdrCol(hdr2)

}

func csvHdrCol(header []string) {

  csvHeadersToColumnIndex := make(map[int]string)

  for i, v := range header {
    v := strings.TrimSpace(v)
    switch strings.ToLower(v) {
    case "employee", "hours worked", "hourly rate":
      csvHeadersToColumnIndex[i] = v
    }
  }

  fmt.Println(csvHeadersToColumnIndex)

}