init yew

.gitignore

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+/target
+/dist

Cargo.toml

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+[package]
+name = "tst"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+yew = { version = "0.21.0", features = ["csr"] }

src/main.rs

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+use yew::prelude::*;
+
+#[function_component]
+fn App() -> Html {
+    let counter = use_state(|| 0);
+    let onclick = {
+        let counter = counter.clone();
+        move |_| {
+            let value = *counter + 1;
+            counter.set(value);
+        }
+    };
+
+    html! {
+        <div>
+            <button {onclick}>{ "+1" }</button>
+            <p>{ *counter }</p>
+        </div>
+    }
+}
+
+fn main() {
+    yew::Renderer::<App>::new().render();
+}