chore: 📎 + fmt

Software/MainBoard/rust/src/hal/water.rs

@@ -137,11 +137,11 @@ impl<'a> TankSensor<'a> {
         Timer::after_millis(100).await;
 
         let mut store = [0_u16; TANK_MULTI_SAMPLE];
-        for multisample in 0..TANK_MULTI_SAMPLE {
+        for sample in store.iter_mut() {
             let value = self.tank_channel.read_oneshot(&mut self.tank_pin);
             //force yield
             Timer::after_millis(10).await;
-            store[multisample] = value.unwrap();
+            *sample = value.unwrap();
         }
         self.tank_power.set_low();