From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 25 Mar 2021 00:36:02 +0000 (+0000)
Subject: provide otter_base::Region
X-Git-Tag: otter-0.5.0~434
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=facb03275e0e7021d552917c3e28019fdc75dec5;p=otter.git

provide otter_base::Region

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

diff --git a/base/geometry.rs b/base/geometry.rs
index a18a03db..4a4e2dd4 100644
--- a/base/geometry.rs
+++ b/base/geometry.rs
@@ -236,3 +236,19 @@ fn empty_area() {
     assert!(! empty.contains(PosC([x,y])));
   } }
 }
+
+// ---------- Region ----------
+
+#[derive(Clone,Debug,Serialize,Deserialize)]
+pub enum Region<T> {
+  Rectangle(AreaC<T>),
+}
+
+impl<T> Region<T> {
+  pub fn contains(&self, pos: PosC<T>) -> bool where T: Ord {
+    use Region::*;
+    match &self {
+      Rectangle(a) => a.contains(pos),
+    }
+  }
+}