ref: pull main program flow into run() fn

src/main.rs

@@ -1,5 +1,5 @@
-use core::fmt;
 use std::io::Write;
+
 #[macro_use]
 extern crate lazy_static;
 
@@ -23,18 +23,20 @@ fn main() -> () {
         },
     ];
 
-    let mut handles: Vec<_> = Vec::new();
+    run(&D, pedals);
+}
 
+fn run(device: &'static evdev::Device, pedals: Vec<Pedal>) {
+    let mut handles: Vec<_> = Vec::new();
     for pedal in pedals {
         let handle = std::thread::spawn(move || loop {
-            if D.get_key_state().unwrap().contains(pedal.key) {
+            if device.get_key_state().unwrap().contains(pedal.key) {
                 (*pedal.action)();
             }
             std::thread::sleep(std::time::Duration::from_millis(100));
         });
         handles.push(handle);
     }
-
     for handle in handles {
         handle.join().expect("Couldn't join");
     }