1 files changed, 12 insertions, 0 deletions
diff --git a/engine/src/windowing/window.rs b/engine/src/windowing/window.rs
index 54c24ac..6d7a464 100644
--- a/engine/src/windowing/window.rs
+++ b/engine/src/windowing/window.rs
@@ -13,6 +13,18 @@ pub struct Id
     inner: winit::window::WindowId,
 }
 
+impl intmap::IntKey for Id
+{
+    type Int = u64;
+
+    const PRIME: Self::Int = <u64 as intmap::IntKey>::PRIME;
+
+    fn into_int(self) -> Self::Int
+    {
+        self.inner.into()
+    }
+}
+
 impl Id
 {
     pub(crate) fn from_inner(inner: winit::window::WindowId) -> Self