Fix #21: High CPU usage in a small project

src/bin.rs

@@ -22,6 +22,7 @@ pub mod vfs_watch;
 use std::path::{Path, PathBuf};
 use std::sync::{Arc, Mutex};
 use std::thread;
+use std::time::Duration;
 
 use core::Config;
 use pathext::canonicalish;
@@ -193,7 +194,9 @@ fn main() {
 
             println!("Server listening on port {}", port);
 
-            loop {}
+            loop {
+                thread::sleep(Duration::from_secs(1));
+            }
         },
         ("pack", _) => {
             eprintln!("'rojo pack' is not yet implemented!");

src/vfs_watch.rs

@@ -92,6 +92,8 @@ impl VfsWatcher {
             }
         }
 
-        loop {}
+        loop {
+            thread::sleep(Duration::from_secs(1));
+        }
     }
 }