Switch todo!() to unreachable!/unimplemented! where it matters

examples/signals.rs

@@ -15,7 +15,7 @@ fn app() -> Element {
 
     // use_effect will subscribe to any changes in the signal values it captures
     // effects will always run after first mount and then whenever the signal values change
-    use_effect(move || println!("Count changed to {}", count()));
+    use_effect(move || println!("Count changed to {count}"));
 
     // We can do early returns and conditional rendering which will pause all futures that haven't been polled
     if count() > 30 {
@@ -49,7 +49,7 @@ fn app() -> Element {
         button { onclick: move |_| count += 1, "Up high!" }
         button { onclick: move |_| count -= 1, "Down low!" }
         button { onclick: move |_| running.toggle(), "Toggle counter" }
-        button { onclick: move |_| saved_values.push(count().to_string()), "Save this value" }
+        button { onclick: move |_| saved_values.push(count.to_string()), "Save this value" }
         button { onclick: move |_| saved_values.clear(), "Clear saved values" }
 
         // We can do boolean operations on the current signal value
@@ -71,6 +71,7 @@ fn app() -> Element {
 
         // You can pass a value directly to any prop that accepts a signal
         Child { count: doubled_count() }
+        Child { count: doubled_count }
     }
 }