ref: pull key-action pairs into module

src/main.rs

@@ -3,6 +3,8 @@ use std::io::Write;
 #[macro_use]
 extern crate lazy_static;
 
+mod pedals;
+
 fn main() -> () {
     lazy_static! {
         static ref D: evdev::Device = {
@@ -12,21 +14,10 @@ fn main() -> () {
     }
     println!("{}", D.name().unwrap_or("Unknown device"));
 
-    let pedals = vec![
-        Pedal {
-            key: evdev::Key::BTN_SIDE,
-            action: Box::new(|| println!("BTN_SIDE")),
-        },
-        Pedal {
-            key: evdev::Key::BTN_EXTRA,
-            action: Box::new(|| println!("BTN_EXTRA")),
-        },
-    ];
-
-    run(&D, pedals);
+    run(&D, crate::pedals::pedals().into_iter());
 }
 
-fn run(device: &'static evdev::Device, pedals: Vec<Pedal>) {
+fn run(device: &'static evdev::Device, pedals: impl Iterator<Item = Pedal>) {
     let mut handles: Vec<_> = Vec::new();
     for pedal in pedals {
         let handle = std::thread::spawn(move || loop {
@@ -63,7 +54,7 @@ fn pick_device() -> evdev::Device {
     }
 }
 
-struct Pedal {
+pub struct Pedal {
     key: evdev::Key,
     action: Box<dyn Fn() -> () + Send + 'static>,
 }

src/pedals.rs

@@ -0,0 +1,19 @@
+pub use crate::Pedal;
+use evdev::Key;
+
+pub fn pedals() -> Vec<Pedal> {
+    vec![
+        Pedal {
+            key: Key::BTN_SIDE,
+            action: Box::new(|| println!("BTN_SIDE")),
+        },
+        Pedal {
+            key: Key::BTN_EXTRA,
+            action: Box::new(|| println!("BTN_EXTRA")),
+        },
+        Pedal {
+            key: Key::BTN_RIGHT,
+            action: Box::new(|| println!("BTN_RIGHT")),
+        },
+    ]
+}