From 832e0efcc052b3d68ce2cd24b514f312fa8015c3 Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Mon, 27 Jun 2022 10:08:20 -0400
Subject: [PATCH] Add missing filesystem hash function... again

---
 engine/utility/include/path.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/engine/utility/include/path.hpp b/engine/utility/include/path.hpp
index 6449dcb..0e82120 100755
--- a/engine/utility/include/path.hpp
+++ b/engine/utility/include/path.hpp
@@ -1,7 +1,18 @@
 #pragma once
 
 #include <filesystem>
+#include <optional>
 
 namespace prism {
     using path = std::filesystem::path;
 }
+
+// some stdlibs such as apple's clang fail to provide this :-/
+namespace std {
+    template <>
+    struct hash<prism::path> {
+        std::size_t operator()(const prism::path& k) const {
+            return (std::hash<std::string>()(k.string()));
+        }
+    };
+}
\ No newline at end of file