From e8d4297f89f376558e93d2b9f3c3e18da2010212 Mon Sep 17 00:00:00 2001
From: Daniel Larimer <dlarimer@gmail.com>
Date: Mon, 29 Oct 2012 17:55:33 -0400
Subject: [PATCH] adding value compare to nullptr

---
 include/fc/value.hpp | 3 +++
 src/value.cpp        | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/include/fc/value.hpp b/include/fc/value.hpp
index 84ca8f5..11d1354 100644
--- a/include/fc/value.hpp
+++ b/include/fc/value.hpp
@@ -86,6 +86,7 @@ namespace fc {
         value& operator=( value&& v );
         value& operator=( const value& v );
 
+
         /**
          *  Include fc/value_cast.hpp for implementation
          */
@@ -137,6 +138,8 @@ namespace fc {
 
         aligned<24> holder;
     };
+    bool operator == ( const value& v, std::nullptr_t );
+    bool operator != ( const value& v, std::nullptr_t );
 
     struct value::key_val {
        key_val(){};
diff --git a/src/value.cpp b/src/value.cpp
index fdce710..a3c0f2b 100644
--- a/src/value.cpp
+++ b/src/value.cpp
@@ -250,6 +250,12 @@ value::value( value::object& a ){
   static_assert( sizeof(holder) >= sizeof( detail::value_holder_impl<value::object> ), "size check" );
   new (holder) detail::value_holder_impl<value::object>(a);
 }
+bool operator == ( const value& v, std::nullptr_t ) {
+  return v.is_null();
+}
+bool operator != ( const value& v, std::nullptr_t ) {
+  return v.is_null();
+}
 
 value& value::operator=( value&& v ){
   decltype(holder) tmp;