From 0956cd26df75106890c17d482c3775e3861c72ee Mon Sep 17 00:00:00 2001
From: Daniel Larimer <dlarimer@gmail.com>
Date: Wed, 17 Jul 2013 15:00:13 -0400
Subject: [PATCH] adding std::hash support for fc::array

---
 CMakeLists.txt       |  3 ++-
 include/fc/array.hpp | 17 +++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36b2184..9bf4c28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,8 +92,9 @@ set( fc_sources
      src/crypto/crc.cpp
      src/crypto/city.cpp
      src/crypto/base32.cpp
-     src/crypto/base64.cpp
+     src/crypto/base36.cpp
      src/crypto/base58.cpp
+     src/crypto/base64.cpp
      src/crypto/bigint.cpp
      src/crypto/hex.cpp
      src/crypto/sha1.cpp
diff --git a/include/fc/array.hpp b/include/fc/array.hpp
index 2a3189f..cd1f312 100644
--- a/include/fc/array.hpp
+++ b/include/fc/array.hpp
@@ -53,4 +53,21 @@ namespace fc {
     else
         memset( &bi, char(0), sizeof(bi) );
   }
+
+
+}
+
+#include <fc/crypto/city.hpp>
+namespace std
+{
+    template<typename T> struct hash;
+
+    template<typename T, size_t N>
+    struct hash<fc::array<T,N> >
+    {
+       size_t operator()( const fc::array<T,N>& e )const
+       {
+          return fc::city_hash64( (char*)&e, sizeof(e) );
+       }
+    };
 }