Factor out 05-led-roulette examples

Author: sirhcel

src/05-led-roulette/examples/my-solution.rs

@@ -0,0 +1,22 @@
+#![deny(unsafe_code)]
+#![no_main]
+#![no_std]
+
+use aux5::{Delay, DelayMs, LedArray, OutputSwitch, entry};
+
+#[entry]
+fn main() -> ! {
+    let (mut delay, mut leds): (Delay, LedArray) = aux5::init();
+
+    let ms = 50_u8;
+    loop {
+        for curr in 0..8 {
+            let next = (curr + 1) % 8;
+
+            leds[next].on().ok();
+            delay.delay_ms(ms);
+            leds[curr].off().ok();
+            delay.delay_ms(ms);
+        }
+    }
+}

src/05-led-roulette/examples/the-led-and-delay-abstractions.rs

@@ -0,0 +1,20 @@
+#![deny(unsafe_code)]
+#![no_main]
+#![no_std]
+
+use aux5::{entry, Delay, DelayMs, LedArray, OutputSwitch};
+
+#[entry]
+fn main() -> ! {
+    let (mut delay, mut leds): (Delay, LedArray) = aux5::init();
+
+    let half_period = 500_u16;
+
+    loop {
+        leds[0].on().ok();
+        delay.delay_ms(half_period);
+
+        leds[0].off().ok();
+        delay.delay_ms(half_period);
+    }
+}

src/05-led-roulette/my-solution.md

@@ -5,29 +5,7 @@ What solution did you come up with?
 Here's mine:
 
 ``` rust
-#![deny(unsafe_code)]
-#![no_main]
-#![no_std]
-
-use aux5::{Delay, DelayMs, LedArray, OutputSwitch, entry};
-
-#[entry]
-fn main() -> ! {
-    let (mut delay, mut leds): (Delay, LedArray) = aux5::init();
-
-    let ms = 50_u8;
-    loop {
-        for curr in 0..8 {
-            let next = (curr + 1) % 8;
-
-            leds[next].on().ok();
-            delay.delay_ms(ms);
-            leds[curr].off().ok();
-            delay.delay_ms(ms);
-        }
-    }
-}
-
+{{#include examples/my-solution.rs}}
 ```
 
 One more thing! Check that your solution also works when compiled in "release" mode:

src/05-led-roulette/the-led-and-delay-abstractions.md

@@ -14,27 +14,7 @@ and exposes two methods: `on` and `off` which can be used to turn the LED on or
 Let's try out these two abstractions by modifying the starter code to look like this:
 
 ``` rust
-#![deny(unsafe_code)]
-#![no_main]
-#![no_std]
-
-use aux5::{entry, Delay, DelayMs, LedArray, OutputSwitch};
-
-#[entry]
-fn main() -> ! {
-    let (mut delay, mut leds): (Delay, LedArray) = aux5::init();
-
-    let half_period = 500_u16;
-
-    loop {
-        leds[0].on().ok();
-        delay.delay_ms(half_period);
-
-        leds[0].off().ok();
-        delay.delay_ms(half_period);
-    }
-}
-
+{{#include examples/the-led-and-delay-abstractions.rs}}
 ```
 
 Now build it: