RustでEnumのプロパティがあるstructをシリアライズしたりデシリアライズする

December 3, 2021

RustでEnumのプロパティがあるstructをシリアライズしたりデシリアライズする方法です。 Enumにすることでパターンマッチと相性が良いの良いですよね。

	[package]
	name = "swiswiswift"
	version = "0.1.0"
	edition = "2018"

	[dependencies]
	serde = { version = "1.0", features = ["derive"] }
	serde_json = "1.0"

view raw Cargo.toml hosted with ❤ by GitHub

	use serde::{Serialize, Deserialize};

	#[derive(Serialize, Deserialize, Debug)]
	enum PokemonType {
	Normal,
	Fire,
	Water,
	}

	#[derive(Serialize, Deserialize, Debug)]
	struct Pokemon {
	id: i32,
	name: String,
	pokemon_type: PokemonType,
	}

	fn main() {
	let pokemon = Pokemon { id: 143, name: String::from("Snorlax"), pokemon_type: PokemonType::Normal };

	let serialized = serde_json::to_string(&pokemon).unwrap();
	println!("serialized = {}", serialized);

	let deserialized: Pokemon = serde_json::from_str(&serialized).unwrap();
	println!("deserialized = {:?}", deserialized);
	}

view raw main.rs hosted with ❤ by GitHub