Marshal container/list golang

marshal_list.go

func MarshalList(list *list.List) ([]byte, error) {
  buffer := bytes.NewBufferString("[")
  
  for el := list.Front(); el != nil; el = el.Next() {
    marshalled, err := json.Marshal(el.Value)
    
    if err != nil {
      return nil, err
    }
    
    buffer.WriteString(string(marshalled))
    
    if el.Next() != nil { // Has more elements, lets append a comma
      buffer.WriteRune(',')
    }
  }
  
  buffer.WriteString("]")
  return buffer.Bytes(), nil
}