json struct

gistfile1.go

type Generation struct {
	start_time string
	number     int
	state      string
	agents     []Agent
	games      []Game
}

type GenerationJson struct {
	Start_time string
	Number     int
	State      string
	Agents     []Agent
	Games      []Game
}

func (generation *Generation) UnmarshalJSON(data []byte) error {

	generationJson := &GenerationJson{}
	error := json.Unmarshal(data, generationJson)
	if error == nil {
		generation.start_time = generationJson.Start_time
		generation.number = generationJson.Number
		generation.state = generationJson.State
		generation.agents = generationJson.Agents
		generation.games = generationJson.Games
	}
	return error

}

func (generation Generation) MarshalJSON() ([]byte, error) {
	return json.Marshal(
		&GenerationJson{
			Number: generation.number,
			Agents: generation.agents,
			Games:  generation.games,
		})
}