From c7433dfc5ede497126ca347af93ce8587beeafb0 Mon Sep 17 00:00:00 2001
From: Rodion Malinovsky <rodionmalino@gmail.com>
Date: Wed, 16 Sep 2015 14:53:51 +0300
Subject: [PATCH] Add stack::HasAllocator

To check is it possible to expose allocator.
---
 include/rapidjson/internal/stack.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/rapidjson/internal/stack.h b/include/rapidjson/internal/stack.h
index 4b98e38..82f23dd 100644
--- a/include/rapidjson/internal/stack.h
+++ b/include/rapidjson/internal/stack.h
@@ -134,6 +134,10 @@ public:
     template<typename T>
     T* Bottom() { return (T*)stack_; }
 
+    bool HasAllocator() const {
+        return allocator_ != 0;
+    }
+
     Allocator& GetAllocator() {
         RAPIDJSON_ASSERT(allocator_);
         return *allocator_;