restore readme

examples/readme.rs

@@ -12,42 +12,11 @@ fn main() {
 }
 
 fn app() -> Element {
-    let mut vec = use_signal(|| vec![1, 2, 3]);
+    let mut count = use_signal(|| 0);
 
-    let len = vec.len();
-
-    println!("app len: {}", len);
-    use_effect(move || {
-        println!("app effect len: {}", vec.len());
-    });
-
-    rsx! {
-        button {
-            onclick: move |_| {
-                let mut vec = vec.write();
-                vec.push(len);
-            },
-            "Add"
-        }
-        button {
-            onclick: move |_| {
-                vec.pop();
-            },
-            "Remove"
-        }
-        for i in 0..len {
-            Child {
-                index: i,
-                vec,
-            }
-        }
-    }
-}
-
-#[component]
-fn Child(index: usize, vec: Signal<Vec<usize>>) -> Element {
-    let item = use_memo(move || vec.read()[index]);
     rsx! {
-        div { "Item: {item}" }
+        h1 { "High-Five counter: {count}" }
+        button { onclick: move |_| count += 1, "Up high!" }
+        button { onclick: move |_| count -= 1, "Down low!" }
     }
 }