better_error_handle.go

package main

import (
	"errors"
	"fmt"
)

func main() {

	var err error
	defer func() {
		if err != nil {
			fmt.Printf("error found: %v", err)
		}
	}()

	err = throwError()
  
  // imagine having more cases where an error can be thrown.
}

func throwError() error {
	return errors.New("New Error")
}