diff --git a/src/v8memory.h b/src/v8memory.h
index b1ae939..d34bce7 100644
--- a/src/v8memory.h
+++ b/src/v8memory.h
@@ -64,6 +64,13 @@
   static Handle<Object>& Object_Handle_at(Address addr)  {
     return *reinterpret_cast<Handle<Object>*>(addr);
   }
+
+  static bool IsAddressInRange(Address base, Address address, uint32_t size) {
+    uintptr_t numeric_base = reinterpret_cast<uintptr_t>(base);
+    uintptr_t numeric_address = reinterpret_cast<uintptr_t>(address);
+    return numeric_base <= numeric_address &&
+           numeric_address < numeric_base + size;
+  }
 };
 
 }  // namespace internal