Line::from for (Point, Point), (Point, Vec2) (#376)

CHANGELOG.md

@@ -24,6 +24,7 @@ This release has an [MSRV][] of 1.65.
 - Add `CircleSegment::inner_arc` and `CircleSegment::outer_arc` ([#368] by [@waywardmonkeys])
 - Add `Rect::is_zero_area` and `Size::is_zero_area` and deprecate their `is_empty` methods. ([#370] by [@waywardmonkeys])
 - Add `Line::reversed` and `Line::midpoint`. ([#375] by [@waywardmonkeys])
+- Allow construction of `Line` from `(Point, Point)` and `(Point, Vec2)`. ([#376] by [@waywardmonkeys])
 
 ### Changed
 
@@ -69,6 +70,7 @@ Note: A changelog was not kept for or before this release
 [#368]: https://github.com/linebender/kurbo/pull/368
 [#370]: https://github.com/linebender/kurbo/pull/370
 [#375]: https://github.com/linebender/kurbo/pull/375
+[#376]: https://github.com/linebender/kurbo/pull/376
 
 [Unreleased]: https://github.com/linebender/kurbo/compare/v0.11.0...HEAD
 [0.11.0]: https://github.com/linebender/kurbo/releases/tag/v0.11.0

src/line.rs

@@ -90,6 +90,18 @@ impl Line {
     }
 }
 
+impl From<(Point, Point)> for Line {
+    fn from((from, to): (Point, Point)) -> Self {
+        Line::new(from, to)
+    }
+}
+
+impl From<(Point, Vec2)> for Line {
+    fn from((origin, displacement): (Point, Vec2)) -> Self {
+        Line::new(origin, origin + displacement)
+    }
+}
+
 impl ParamCurve for Line {
     #[inline]
     fn eval(&self, t: f64) -> Point {