make_array_unique.go

import "fmt"


func main() {
  // define array of strings
  fruits := []string{"Mango", "Grapes", "Kiwi", "Apple", "Grapes"}
  fmt.Println("Array before removing duplicates : ", fruits)
  // Array after duplicates removal
  dulicatesRemovedArray := RemoveDuplicatesFromSlice(fruits)
  fmt.Println("Array after removing duplicates : ",  dulicatesRemovedArray)
}

func RemoveDuplicatesFromSlice(intSlice []string) []string {
  keys := make(map[string]bool)
  list := []string{}
  for _, entry := range intSlice {
    if _, value := keys[entry]; !value {
      keys[entry] = true
      list = append(list, entry)
    }
  }
 return list
}


output:
Array before removing duplicates :  [Mango Grapes Kiwi Apple Grapes]
Array after removing duplicates :  [Mango Grapes Kiwi Apple]