init rust version

.gitignore

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+target/

Cargo.toml

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+[package]
+name = "CGGItemSets"
+version = "0.1.0"
+authors = ["nyyu <mail@nyyu.tk>"]
+
+[dependencies]
+log = "^0.4"
+simple_logger = "^0.5"
+serde = "^1.0"
+serde_derive = "^1.0"
+reqwest = "^0.8"

src/main.rs

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+#[macro_use]
+extern crate serde_derive;
+#[macro_use]
+extern crate log;
+
+extern crate reqwest;
+extern crate serde;
+extern crate simple_logger;
+
+use std::collections::HashMap;
+use reqwest::header::{Headers, UserAgent};
+
+#[derive(Deserialize)]
+struct Realm {
+    v: String,
+}
+
+#[derive(Deserialize)]
+struct Champion {
+    data: HashMap<String, ChampInfo>
+}
+
+#[derive(Deserialize)]
+struct ChampInfo {
+    id: String,
+}
+
+const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0";
+
+fn main() {
+    simple_logger::init_with_level(log::Level::Info).unwrap();
+
+    info!("CGG Item Sets");
+
+    let mut headers = Headers::new();
+    headers.set(UserAgent::new(USER_AGENT));
+
+    let client = reqwest::Client::builder().default_headers(headers).build().unwrap();
+
+    let realm: Realm = client.get("https://ddragon.leagueoflegends.com/realms/euw.json").send().unwrap().json().unwrap();
+    info!("LoL version: {}", realm.v);
+
+    let champion: Champion = client.get(&format!("http://ddragon.leagueoflegends.com/cdn/{}/data/en_US/champion.json", realm.v)).send().unwrap().json().unwrap();
+    info!("LoL numbers of champs: {}", champion.data.len());
+}