Add MemoryPool::deallocPool()

Author: bblanchon

src/ArduinoJson/Memory/MemoryPool.hpp

@@ -46,16 +46,14 @@ class MemoryPool {
   }
 
   ~MemoryPool() {
-    if (_begin)
-      _allocator->deallocate(_begin);
+    deallocPool();
   }
 
   MemoryPool(const MemoryPool&) = delete;
   MemoryPool& operator=(const MemoryPool& src) = delete;
 
   MemoryPool& operator=(MemoryPool&& src) {
-    if (_begin)
-      _allocator->deallocate(_begin);
+    deallocPool();
     _allocator = src._allocator;
     _begin = src._begin;
     _end = src._end;
@@ -265,6 +263,11 @@ class MemoryPool {
     ARDUINOJSON_ASSERT(isAligned(_end));
   }
 
+  void deallocPool() {
+    if (_begin)
+      _allocator->deallocate(_begin);
+  }
+
   Allocator* _allocator;
   char *_begin, *_left, *_right, *_end;
   bool _overflowed;