From 893aa969d53be19a6fca5ee9749cbd49abce1d5c Mon Sep 17 00:00:00 2001
From: Deukhoofd <deukhoofd@gmail.com>
Date: Tue, 2 Jun 2020 16:03:47 +0200
Subject: [PATCH] Make BorrowedPtr hashable.

---
 src/Memory/BorrowedPtr.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Memory/BorrowedPtr.hpp b/src/Memory/BorrowedPtr.hpp
index b7a2d7d..438c711 100644
--- a/src/Memory/BorrowedPtr.hpp
+++ b/src/Memory/BorrowedPtr.hpp
@@ -52,4 +52,12 @@ namespace ArbUt {
     };
 }
 
+namespace std {
+
+    template <class T> struct hash<ArbUt::BorrowedPtr<T>> {
+        std::size_t operator()(const ArbUt::BorrowedPtr<T>& k) const { return (size_t)k.GetRaw(); }
+    };
+
+}
+
 #endif // ARBUTILS_BORROWEDPTR_HPP