geometry: ipl Ord and Eq for Rect

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/base/geometry.rs b/base/geometry.rs
index c8fb8a13926791fb54cb8ff40df77a88b37b8da9..df523f79f68efe37e48e5bc953f3f10f4b17e1fd 100644 (file)
--- a/base/geometry.rs
+++ b/base/geometry.rs
@@ -279,6 +279,7 @@ fn empty_area() {
 // ---------- Region ----------
 
 #[derive(Clone,Debug,Serialize,Deserialize)]
+#[derive(Ord,PartialOrd,Eq,PartialEq)]
 pub enum RegionC<T:Copy> {
   Rect(RectC<T>),
 }