Make horizontal_space and vertical_space fill by default

widget/src/helpers.rs

@@ -305,15 +305,15 @@ where
 /// Creates a new horizontal [`Space`] with the given [`Length`].
 ///
 /// [`Space`]: crate::Space
-pub fn horizontal_space(width: impl Into<Length>) -> Space {
-    Space::with_width(width)
+pub fn horizontal_space() -> Space {
+    Space::with_width(Length::Fill)
 }
 
 /// Creates a new vertical [`Space`] with the given [`Length`].
 ///
 /// [`Space`]: crate::Space
-pub fn vertical_space(height: impl Into<Length>) -> Space {
-    Space::with_height(height)
+pub fn vertical_space() -> Space {
+    Space::with_height(Length::Fill)
 }
 
 /// Creates a horizontal [`Rule`] with the given height.

widget/src/lazy/responsive.rs

@@ -50,7 +50,7 @@ where
             content: RefCell::new(Content {
                 size: Size::ZERO,
                 layout: None,
-                element: Element::new(horizontal_space(0)),
+                element: Element::new(horizontal_space().width(0)),
             }),
         }
     }

widget/src/space.rs

@@ -39,6 +39,18 @@ impl Space {
             height: height.into(),
         }
     }
+
+    /// Sets the width of the [`Space`].
+    pub fn width(mut self, width: impl Into<Length>) -> Self {
+        self.width = width.into();
+        self
+    }
+
+    /// Sets the height of the [`Space`].
+    pub fn height(mut self, height: impl Into<Length>) -> Self {
+        self.height = height.into();
+        self
+    }
 }
 
 impl<Message, Theme, Renderer> Widget<Message, Theme, Renderer> for Space