From f1598d5af88c4524caf8de423a111a4f221b6738 Mon Sep 17 00:00:00 2001
From: greg <greg7mdp@gmail.com>
Date: Thu, 10 Feb 2022 15:37:55 -0500
Subject: [PATCH] Create pmr.cc

---
 examples/pmr.cc | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 examples/pmr.cc

diff --git a/examples/pmr.cc b/examples/pmr.cc
new file mode 100644
index 0000000..5c13524
--- /dev/null
+++ b/examples/pmr.cc
@@ -0,0 +1,33 @@
+#if __has_include(<experimental/memory_resource>)
+#include <experimental/memory_resource>
+    namespace std
+    {
+        namespace pmr = experimental::pmr;
+    }
+#elif __has_include(<memory_resource>)
+    #include <memory_resource>
+#elif
+    #error <memory_resource> is missing 
+#endif
+
+#include <parallel_hashmap/phmap.h>
+
+struct MyStruct
+{
+    template<typename Key, typename Value>
+    using ParallelFlatHashMap = phmap::parallel_flat_hash_map<Key, Value, std::hash<Key>, std::equal_to<Key>, 
+                            std::pmr::polymorphic_allocator<std::pair<const Key, Value>>>;
+
+    ParallelFlatHashMap<uint32_t, uint32_t> hashMap;
+
+    // No compile errors
+    MyStruct() 
+    {
+    }
+
+    // Compile errors
+    MyStruct(std::pmr::memory_resource* memoryResource = std::pmr::get_default_resource()) 
+        : hashMap(memoryResource)
+    {
+    }
+};