diff --git a/src/xy.rs b/src/xy.rs
index 3e22b46..51cba65 100644
--- a/src/xy.rs
+++ b/src/xy.rs
@@ -3,7 +3,7 @@ use direction::Orientation;
 use std::iter;
 
 /// A generic structure with a value for each axis.
-#[derive(Debug,Clone,Copy,PartialEq)]
+#[derive(Debug,Clone,Copy,PartialEq,Hash)]
 pub struct XY<T> {
     /// X-axis value
     pub x: T,