Array Diff in Golang

array_diff.go

package main

import(
	"fmt"
)

func main(){
	arr1 := []int{1,2,3,5}
	arr2 := []int{1,3,2,5,6,7}
	found := make(map[int]bool)
	var result []int

	for i := 0; i < len(arr1); i++ {
		found[arr1[i]] = true;
	}

	for i := 0; i < len(arr2); i++ {
		if(!found[arr2[i]]){
			found[arr2[i]] = false;
		}else{
			delete(found,arr2[i])
		}
	}

	for key,value := range found {
		if(!value){
			result = append(result,key)
		} 
	}

	fmt.Println("Array diff: ",result);
}

Input:
{1,2,3,5} and {1,3,2,5,6,7} :
Output:
Array diff: [7 6]