fix: no type

examples/overlay.rs

@@ -0,0 +1,34 @@
+use dioxus::prelude::*;
+use dioxus_desktop::{use_window, WindowBuilder};
+
+fn main() {
+    dioxus_desktop::launch(app);
+}
+
+fn app(cx: Scope) -> Element {
+    let window = use_window(cx);
+
+    cx.render(rsx! {
+        div {
+            button {
+                onclick: move |_| {
+                    let dom = VirtualDom::new(app);
+                    window.new_window(dom, Default::default());
+                },
+                "Open overlay"
+            }
+        }
+    })
+}
+
+fn popup(cx: Scope) -> Element {
+    cx.render(rsx! {
+        div {
+            width: "200px",
+            height: "200px",
+            background: "white",
+            border: "1px solid black",
+            "This is a popup!"
+        }
+    })
+}