RustでVecやArrayをシリアライズしたりデシリアライズする

November 16, 2021

RustでVecやArrayをシリアライズしたりデシリアライズする方法です。 VecでもArrayでもシリアライズ&デシリアライズすることができました。

	[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)]
	struct Pokemon {
	id: i32,
	name: String,
	}

	fn main() {
	use_vec();
	use_array();
	}

	fn use_vec() {
	let eevee = Pokemon { id: 133, name: String::from("Eevee") };
	let snorlax = Pokemon { id: 143, name: String::from("Snorlax") };

	let mut pokemons: Vec<Pokemon> = Vec::new();
	pokemons.push(eevee);
	pokemons.push(snorlax);

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

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

	fn use_array() {
	let eevee = Pokemon { id: 133, name: String::from("Eevee") };
	let snorlax = Pokemon { id: 143, name: String::from("Snorlax") };

	let pokemons: [Pokemon; 2] = [eevee, snorlax];

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

	let deserialized: [Pokemon; 2] = serde_json::from_str(&serialized).unwrap();
	println!("deserialized = {:?}", deserialized);
	}

view raw main.rs hosted with ❤ by GitHub