performances

performance

Standard

• Test simple of function return error: https://opendev.hashnode.dev/golang-test-performance-function-standard-1
  • comparing 2 function:

    func newErr() error {
        return errors.new("this is error")
    }
    func fmtErr() error {
        return fmt.Errorf("this is error")
    }

• Test convert string to int of 3 function: https://opendev.hashnode.dev/golang-test-performance-function-standard-1
  • comparing 3 function:
  • comparing 2 function:

  func MethodInt(i int) string {
      return strconv.FormatInt(int64(i), 10)
  }
  func MethodItoa(i int) string {
      return strconv.Itoa(i)
  }
  func MethodFmt(i int) string {
      return fmt.Sprintf("%d", i)
  }