Initial commit

This gets me a Rocket app with a simple implementation of state in it.

src/main.rs

@@ -0,0 +1,48 @@
+#![feature(proc_macro_hygiene, decl_macro)]
+
+#[macro_use] extern crate rocket;
+
+use std::thread;
+use std::time::Duration;
+use std::sync::{Arc,Mutex};
+
+use rocket::State;
+
+struct SimState {
+    pub monotonic: u64,
+    pub counter: u64,
+}
+
+type WrappedState = Arc<Mutex<SimState>>;
+
+#[get("/")]
+fn index(sim: State<WrappedState>) -> String {
+    let state = sim.lock().unwrap();
+
+    format!("Hello, world! It's round {} but also {}", (*state).monotonic, (*state).counter)
+}
+
+fn update_state(s: &Arc<Mutex<SimState>>) {
+    let mut state = s.lock().unwrap();
+
+    (*state).monotonic += 1;
+    (*state).counter = (*state).monotonic % 10;
+}
+
+fn main() {
+    let state = Arc::new(Mutex::new(SimState {
+        monotonic: 0,
+        counter: 0
+    }));
+
+    let inner_state = Arc::clone(&state);
+    
+    thread::spawn(move || {
+        loop {
+            update_state(&inner_state);
+            thread::sleep(Duration::from_secs(1))
+        }
+    });
+
+    rocket::ignite().manage(Arc::clone(&state)).mount("/", routes![index]).launch();
+}