refactor for streamlining

tutorial/03-rust-ownership-borrow/Cargo.toml

@@ -1,4 +1,4 @@
 [package]
-name = "step03_rust_ownership_borrow_task"
+name = "rust_ownership_borrow_task"
 version = "0.1.0"
 edition = "2021"

tutorial/03-rust-ownership-borrow/README.md

@@ -1,20 +1,3 @@
-# 03 - Ownership and Borrowing (7 min)
-
-## Goal
+# 03 - Ownership and Borrowing 
 
 Ownership und Borrowing an einem kleinen Robot-State praktisch verstehen.
-
-## Run
-
-- `bash scripts/run-step.sh 03 task`
-
-## Tasks
-
-1. Lies die Funktionen mit `&RobotState` und `&mut RobotState`.
-2. Ergänze die TODOs in der Task-Datei.
-3. Achte auf Compiler-Fehler, wenn mutable/immutable borrows kollidieren.
-
-## Done when
-
-1. Das Programm kompiliert.
-2. LED-State, Button-Count und ADC-Wert werden korrekt aktualisiert.

tutorial/03-rust-ownership-borrow/solution/Cargo.toml

@@ -1,4 +0,0 @@
-[package]
-name = "step03_rust_ownership_borrow_solution"
-version = "0.1.0"
-edition = "2021"

tutorial/03-rust-ownership-borrow/src/main.rs

@@ -6,27 +6,31 @@ struct RobotState {
 }
 
 fn print_state(state: &RobotState) {
+    // TODO: print the different elements of RobotState
     println!(
-        "state => led_on={}, button_count={}, last_adc={}",
-        state.led_on, state.button_count, state.last_adc
+        "state => led_on={}, button_count={}, last_adc={}", 
+        ???
     );
 }
 
 fn toggle_led(state: &mut RobotState) {
-    state.led_on = !state.led_on;
+    // TODO: change the LED state to the inverse of itself
+    state.led_on = ??
 }
 
 fn record_button_press(state: &mut RobotState) {
-    state.button_count += 1;
+    // TODO: increase the button counter on press
+    state.button_count = ??
 }
 
 fn update_adc(state: &mut RobotState, raw: u16) {
-    // TODO: keep this function as the single writer for ADC state.
-    state.last_adc = raw;
+    // TODO: update the adc value with the given one
+    state.last_adc = ??
 }
 
 fn main() {
-    let mut state = RobotState {
+    // TODO: change the RobotState so we can edit its values
+    let state = RobotState {
         led_on: false,
         button_count: 0,
         last_adc: 0,