A Display of interface and Functional Programming playing hand in hand with OOP - with Golang

interface-funcprog-oop.go

package reqresp

type ReqResp interface {
  HashableString() string
  IgnoreList() map[string]string
}

type Response struct {
  Type    Type
  Details DataTypes
}

func (r *Response) IgnoreList() map[string]string{
  return map[string]string{{"key1": "val1"}, "key2": "val2"}
}

func (r *Response) HashableString() {
  dict := Actions.Dict(r)
  return fmt.Sprintf("%s|%s", dict["amount"], dict["salt"])
}


type Request struct {
  Type    Type
  Details DataTypes
}

func (r *Request) HashableString() {
  dict := Actions.Dict(r)
  return fmt.Sprintf("%s|%s", dict["key"], dict["salt"])
}

func (r *Request) IgnoreList() map[string]string{
  return map[string]string{{"keyo": "valo"}, "keyu": "valu"}
}


// (FP)
type Actions struct {
}

func (a Actions) JSON(req ReqResp []byte{
  safe_dict = remove(req.IgnoreList(), dict)
  return JSON.marshal(safe_dict)
}

func (a Actions) Dict(req ReqResp) map[string]string {
    var dict map[string]string
    for i, detail := req.Details {
      dict = merge(dict, detail.Dict())
    }
    return dict
}

// ||| level:(OOP) interface and struct
type DataTypes interface {
  Validate()
  Dict() map[string]string
}

type UserDetails struct {
  Name string
}

func (ud *UserDetails) Validate() {

}

func (ud *UserDetails) Dict() map[string]string {

}