Make accessing members as lengths more ergonomic.

Author: nical

src/length.rs

@@ -206,6 +206,12 @@ where T: Copy + One + Add<Output=T> + Sub<Output=T> + Mul<Output=T> {
     }
 }
 
+impl<T, U> From<T> for Length<T, U> {
+    fn from(val: T) -> Self {
+        Length::new(val)
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::Length;

src/lib.rs

@@ -49,10 +49,10 @@
 //! let p = WorldPoint::new(0.0, 1.0, 1.0);
 //! // p.x is an f32.
 //! println!("p.x = {:?} ", p.x);
-//! // p.x is a Length<f32, WorldSpace>.
-//! println!("p.x_typed() = {:?} ", p.x_typed());
+//! // p.x() is a Length<f32, WorldSpace>.
+//! println!("p.x() = {:?} ", p.x());
 //! // Length::get returns the scalar value (f32).
-//! assert_eq!(p.x, p.x_typed().get());
+//! assert_eq!(p.x, p.x().get());
 //! ```
 
 extern crate heapsize;

src/point.rs

@@ -92,11 +92,11 @@ impl<T: Copy, U> TypedPoint2D<T, U> {
 
     /// Returns self.x as a Length carrying the unit.
     #[inline]
-    pub fn x_typed(&self) -> Length<T, U> { Length::new(self.x) }
+    pub fn x(&self) -> Length<T, U> { Length::new(self.x) }
 
     /// Returns self.y as a Length carrying the unit.
     #[inline]
-    pub fn y_typed(&self) -> Length<T, U> { Length::new(self.y) }
+    pub fn y(&self) -> Length<T, U> { Length::new(self.y) }
 
     /// Drop the units, preserving only the numeric value.
     #[inline]
@@ -441,15 +441,15 @@ impl<T: Copy, U> TypedPoint3D<T, U> {
 
     /// Returns self.x as a Length carrying the unit.
     #[inline]
-    pub fn x_typed(&self) -> Length<T, U> { Length::new(self.x) }
+    pub fn x(&self) -> Length<T, U> { Length::new(self.x) }
 
     /// Returns self.y as a Length carrying the unit.
     #[inline]
-    pub fn y_typed(&self) -> Length<T, U> { Length::new(self.y) }
+    pub fn y(&self) -> Length<T, U> { Length::new(self.y) }
 
     /// Returns self.z as a Length carrying the unit.
     #[inline]
-    pub fn z_typed(&self) -> Length<T, U> { Length::new(self.z) }
+    pub fn z(&self) -> Length<T, U> { Length::new(self.z) }
 
     #[inline]
     pub fn to_array(&self) -> [T; 3] { [self.x, self.y, self.z] }

src/rect.rs

@@ -192,19 +192,15 @@ where T: Copy + Clone + Zero + PartialOrd + PartialEq + Add<T, Output=T> + Sub<T
 
     #[inline]
     #[must_use]
-    pub fn inflate(&self, width: T, height: T) -> Self {
+    pub fn inflate<T2: Into<Length<T, U>>>(&self, width: T2, height: T2) -> Self {
+        let w = width.into().get();
+        let h = height.into().get();
         TypedRect::new(
-            TypedPoint2D::new(self.origin.x - width, self.origin.y - height),
-            TypedSize2D::new(self.size.width + width + width, self.size.height + height + height),
+            TypedPoint2D::new(self.origin.x - w, self.origin.y - h),
+            TypedSize2D::new(self.size.width + w + w, self.size.height + h + h),
         )
     }
 
-    #[inline]
-    #[must_use]
-    pub fn inflate_typed(&self, width: Length<T, U>, height: Length<T, U>) -> Self {
-        self.inflate(width.get(), height.get())
-    }
-
     #[inline]
     pub fn top_right(&self) -> TypedPoint2D<T, U> {
         TypedPoint2D::new(self.max_x(), self.origin.y)

src/side_offsets.rs

@@ -62,16 +62,16 @@ impl<T: Copy, U> TypedSideOffsets2D<T, U> {
     }
 
     /// Access self.top as a typed Length instead of a scalar value.
-    pub fn top_typed(&self) -> Length<T, U> { Length::new(self.top) }
+    pub fn top(&self) -> Length<T, U> { Length::new(self.top) }
 
     /// Access self.right as a typed Length instead of a scalar value.
-    pub fn right_typed(&self) -> Length<T, U> { Length::new(self.right) }
+    pub fn right(&self) -> Length<T, U> { Length::new(self.right) }
 
     /// Access self.bottom as a typed Length instead of a scalar value.
-    pub fn bottom_typed(&self) -> Length<T, U> { Length::new(self.bottom) }
+    pub fn bottom(&self) -> Length<T, U> { Length::new(self.bottom) }
 
     /// Access self.left as a typed Length instead of a scalar value.
-    pub fn left_typed(&self) -> Length<T, U> { Length::new(self.left) }
+    pub fn left(&self) -> Length<T, U> { Length::new(self.left) }
 
     /// Constructor setting the same value to all sides, taking a scalar value directly.
     pub fn new_all_same(all: T) -> Self {

src/vector.rs

@@ -94,11 +94,11 @@ impl<T: Copy, U> TypedVector2D<T, U> {
 
     /// Returns self.x as a Length carrying the unit.
     #[inline]
-    pub fn x_typed(&self) -> Length<T, U> { Length::new(self.x) }
+    pub fn x(&self) -> Length<T, U> { Length::new(self.x) }
 
     /// Returns self.y as a Length carrying the unit.
     #[inline]
-    pub fn y_typed(&self) -> Length<T, U> { Length::new(self.y) }
+    pub fn y(&self) -> Length<T, U> { Length::new(self.y) }
 
     /// Drop the units, preserving only the numeric value.
     #[inline]
@@ -151,6 +151,11 @@ where T: Copy + Mul<T, Output=T> + Add<T, Output=T> + Sub<T, Output=T> {
     pub fn length(&self) -> T where T: Float + ApproxEq<T> {
         self.square_length().sqrt()
     }
+
+    #[inline]
+    pub fn length_typed(&self) -> Length<T, U> where T: Float + ApproxEq<T> {
+        Length::new(self.length())
+    }
 }
 
 impl<T, U> TypedVector2D<T, U>
@@ -440,15 +445,15 @@ impl<T: Copy, U> TypedVector3D<T, U> {
 
     /// Returns self.x as a Length carrying the unit.
     #[inline]
-    pub fn x_typed(&self) -> Length<T, U> { Length::new(self.x) }
+    pub fn x(&self) -> Length<T, U> { Length::new(self.x) }
 
     /// Returns self.y as a Length carrying the unit.
     #[inline]
-    pub fn y_typed(&self) -> Length<T, U> { Length::new(self.y) }
+    pub fn y(&self) -> Length<T, U> { Length::new(self.y) }
 
     /// Returns self.z as a Length carrying the unit.
     #[inline]
-    pub fn z_typed(&self) -> Length<T, U> { Length::new(self.z) }
+    pub fn z(&self) -> Length<T, U> { Length::new(self.z) }
 
     #[inline]
     pub fn to_array(&self) -> [T; 3] { [self.x, self.y, self.z] }