Nicer styling of tabs

crates/emath/src/range.rs

@@ -11,6 +11,25 @@ pub struct Rangef {
 }
 
 impl Rangef {
+    /// Infinite range that contains everything, from -∞ to +∞, inclusive.
+    pub const EVERYTHING: Self = Self {
+        min: f32::NEG_INFINITY,
+        max: f32::INFINITY,
+    };
+
+    /// The inverse of [`Self::EVERYTHING`]: stretches from positive infinity to negative infinity.
+    /// Contains nothing.
+    pub const NOTHING: Self = Self {
+        min: f32::INFINITY,
+        max: f32::NEG_INFINITY,
+    };
+
+    /// An invalid [`Rangef`] filled with [`f32::NAN`].
+    pub const NAN: Self = Self {
+        min: f32::NAN,
+        max: f32::NAN,
+    };
+
     #[inline]
     pub fn new(min: f32, max: f32) -> Self {
         Self { min, max }
@@ -34,6 +53,13 @@ impl From<Rangef> for RangeInclusive<f32> {
     }
 }
 
+impl From<&Rangef> for RangeInclusive<f32> {
+    #[inline]
+    fn from(&Rangef { min, max }: &Rangef) -> Self {
+        min..=max
+    }
+}
+
 impl From<RangeInclusive<f32>> for Rangef {
     #[inline]
     fn from(range: RangeInclusive<f32>) -> Self {

crates/emath/src/rect.rs

@@ -53,7 +53,7 @@ impl Rect {
         max: pos2(-INFINITY, -INFINITY),
     };
 
-    /// An invalid [`Rect`] filled with [`f32::NAN`];
+    /// An invalid [`Rect`] filled with [`f32::NAN`].
     pub const NAN: Self = Self {
         min: pos2(f32::NAN, f32::NAN),
         max: pos2(f32::NAN, f32::NAN),