interview-one-stop-server/util/string.go

package util

import "strconv"

func Int64ArrJoin(nums []int64, sep string) string {
	res := ""
	if len(nums) == 0 {
		return res
	}
	for _, num := range nums {
		res += strconv.Itoa(int(num)) + sep
	}
	return res[:len(res)-1]
}