Area: implement .contains()

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

diff --git a/src/spec.rs b/src/spec.rs
index 2a82ea1f5418223de50d51581b08ec4670c72aee..665695a08707f1c9eca7171944e23d393ed63541 100644 (file)
--- a/src/spec.rs
+++ b/src/spec.rs
@@ -296,6 +296,15 @@ pub mod implementation {
   type SE = SpecError;
   type TPS = TablePlayerSpec;
 
+  impl<T> AreaC<T> {
+    pub fn contains(&self, p: PosC<T>) -> bool where T: Ord {
+      (0..2).all(|i| {
+        p.0[i] < self.0[0].0[i] ||
+        p.0[i] > self.0[1].0[i]
+      })
+    }
+  }
+
   impl Default for PieceAngle {
     fn default() -> Self { PieceAngle::Compass(default()) }
   }