Fix standalone compilation of iced_widget crate

core/src/renderer.rs

@@ -1,4 +1,5 @@
 //! Write your own renderer.
+#[cfg(debug_assertions)]
 mod null;
 
 use crate::{

core/src/renderer/null.rs

@@ -1,6 +1,7 @@
 use crate::alignment;
 use crate::image;
 use crate::renderer::{self, Renderer};
+use crate::svg;
 use crate::text::{self, Text};
 use crate::{
     Background, Color, Font, Pixels, Point, Rectangle, Size, Transformation,
@@ -177,3 +178,17 @@ impl image::Renderer for () {
     ) {
     }
 }
+
+impl svg::Renderer for () {
+    fn measure_svg(&self, _handle: &svg::Handle) -> Size<u32> {
+        Size::default()
+    }
+
+    fn draw_svg(
+        &mut self,
+        _handle: svg::Handle,
+        _color: Option<Color>,
+        _bounds: Rectangle,
+    ) {
+    }
+}