Continue validation feature

src/input/group.rs

@@ -21,6 +21,7 @@ impl Component for InputGroup {
         render_if_ne(&mut self.props, props)
     }
 
+    #[cfg(not(feature = "validate"))]
     fn view(&self) -> Html {
         render::render_with_prefix(
             &self.props,
@@ -28,4 +29,15 @@ impl Component for InputGroup {
             render::div(&self.props.children),
         )
     }
+
+    #[cfg(feature = "validate")]
+    fn view(&self) -> Html {
+        let div = html! {
+            <div>
+                { for (&self.props.children).iter() }
+                { super::render_validation_feedback(&self.props.error_code, &self.props.errors) }
+            </div>
+        };
+        render::render_with_prefix(&self.props, "input-group", div)
+    }
 }