Use f32 in Length::Units and rename it to Fixed

native/src/widget/slider.rs

@@ -54,7 +54,7 @@ where
     on_change: Box<dyn Fn(T) -> Message + 'a>,
     on_release: Option<Message>,
     width: Length,
-    height: u16,
+    height: f32,
     style: <Renderer::Theme as StyleSheet>::Style,
 }
 
@@ -66,7 +66,7 @@ where
     Renderer::Theme: StyleSheet,
 {
     /// The default height of a [`Slider`].
-    pub const DEFAULT_HEIGHT: u16 = 22;
+    pub const DEFAULT_HEIGHT: f32 = 22.0;
 
     /// Creates a new [`Slider`].
     ///
@@ -116,13 +116,13 @@ where
     }
 
     /// Sets the width of the [`Slider`].
-    pub fn width(mut self, width: Length) -> Self {
-        self.width = width;
+    pub fn width(mut self, width: impl Into<Length>) -> Self {
+        self.width = width.into();
         self
     }
 
     /// Sets the height of the [`Slider`].
-    pub fn height(mut self, height: u16) -> Self {
+    pub fn height(mut self, height: f32) -> Self {
         self.height = height;
         self
     }
@@ -172,9 +172,7 @@ where
         _renderer: &Renderer,
         limits: &layout::Limits,
     ) -> layout::Node {
-        let limits =
-            limits.width(self.width).height(Length::Units(self.height));
-
+        let limits = limits.width(self.width).height(self.height);
         let size = limits.resolve(Size::ZERO);
 
         layout::Node::new(size)