From ee0203a34307f1a347f4bbe987bf609aeab208d5 Mon Sep 17 00:00:00 2001
From: Daniel Chappuis <chappuis.daniel@gmail.com>
Date: Sun, 10 May 2020 16:11:03 +0200
Subject: [PATCH] =?UTF-8?q?Fix=20compilation=20error=20on=20Mac=20OS=C2=A0?=
 =?UTF-8?q?X?=
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---
 include/reactphysics3d/utils/DebugRenderer.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/reactphysics3d/utils/DebugRenderer.h b/include/reactphysics3d/utils/DebugRenderer.h
index 93f22b5c..8c1b90e3 100644
--- a/include/reactphysics3d/utils/DebugRenderer.h
+++ b/include/reactphysics3d/utils/DebugRenderer.h
@@ -328,4 +328,16 @@ inline void DebugRenderer::setContactNormalLength(decimal contactNormalLength) {
 
 }
 
+// Hash function for a DebugItem
+namespace std {
+
+  template <> struct hash<reactphysics3d::DebugRenderer::DebugItem> {
+
+    size_t operator()(const reactphysics3d::DebugRenderer::DebugItem& debugItem) const {
+
+        return std::hash<reactphysics3d::uint32>{}(static_cast<uint>(debugItem));
+    }
+  };
+}
+
 #endif