example1.go

package example1

import (
  "fmt"
  "..../test"
  "..../exampleDB"
)

func main() {
  // object is of type test.Test for demo purposes
  object := test.Test{field1:"something", field2: 2}
  
  err := validateObject(object)
  if err != nil {
    fmt.Println(err)
    return
  }
  
  err := writeToDB(object)
  if err != nil {
    fmt.Println(err)
    return
  }
  
  fmt.Println("Everything went well")
}

func validateObject(object test.Test) {
  if something {
    return nil
  }
  
  return errors.New("Something went wrong!")
}

func writeToDB(object test.Test) {
  err := exampleDB.Write(object)
  
  if err != nil {
    return err
  }
  
  return nil
}

example2.go

package example1

import (
  "fmt"
  "..../test"
  "..../exampleDB"
)

func main() {
  // object is of type test.Test for demo purposes
  object := test.Test{field1:"something", field2: 2}
  
  err := validateObject(&object)
  if err != nil {
    fmt.Println(err)
    return
  }
  
  err := writeToDB(&object)
  if err != nil {
    fmt.Println(err)
    return
  }
  
  fmt.Println("Everything went well")
}

func validateObject(object *test.Test) {
  if something {
    return nil
  }
  
  return errors.New("Something went wrong!")
}

func writeToDB(object *test.Test) {
  err := exampleDB.Write(object)
  
  if err != nil {
    return err
  }
  
  return nil
}