From 86b9c9ecc6ee98880f638cc9cef6406901bc4611 Mon Sep 17 00:00:00 2001
From: Karsten Schmidt <k@postspectacular.com>
Date: Tue, 4 Jun 2019 14:36:55 +0100
Subject: [PATCH] feat(heaps): enable TS strict compiler flags (refactor)

---
 packages/heaps/src/dheap.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/heaps/src/dheap.ts b/packages/heaps/src/dheap.ts
index afe321499e..1a364cca7e 100644
--- a/packages/heaps/src/dheap.ts
+++ b/packages/heaps/src/dheap.ts
@@ -45,7 +45,7 @@ export class DHeap<T> extends Heap<T>
         }
     }
 
-    copy() {
+    copy(): DHeap<T> {
         return <DHeap<T>>super.copy();
     }