assoc types

src/layout/ui.rs

@@ -42,7 +42,7 @@ impl UIBuilder {
         WidgetId::new(id, TypeId::of::<W>())
     }
 
-    pub fn finish<WL: WidgetLike<W>, W>(mut self, base: WL) -> UI {
+    pub fn finish<W: WidgetLike>(mut self, base: W) -> UI {
         let base = base.id(&mut self).erase_type();
         let mut ui = Rc::into_inner(self.ui).unwrap().into_inner();
         ui.base = Some(base);