From 1931ff72804583d744ea2055f8058990f8a7323a Mon Sep 17 00:00:00 2001
From: Floor <floor.goddijn@aimms.com>
Date: Fri, 18 Nov 2016 17:24:11 +0100
Subject: [PATCH] * Added a specialized ctor for Any for nullptr.   There was
 an inconvenience that an Any created with a nullptr returned false for
 isNull() * removed warning [forcing value to bool 'true' or 'false'] when
 calling is<>

---
 runtime/Cpp/runtime/src/support/Any.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/runtime/Cpp/runtime/src/support/Any.h b/runtime/Cpp/runtime/src/support/Any.h
index 9a845383e..b82575463 100644
--- a/runtime/Cpp/runtime/src/support/Any.h
+++ b/runtime/Cpp/runtime/src/support/Any.h
@@ -74,7 +74,7 @@ struct Any
 
     auto derived = dynamic_cast<Derived<T> *>(_ptr);
 
-    return derived;
+    return derived != nullptr;
   }
 
   template<class U>
@@ -156,6 +156,11 @@ private:
 
 };
 
+  template<> inline 
+  Any::Any(std::nullptr_t&& ) : _ptr(nullptr) {
+  }
+
+
 } // namespace antlrcpp
 
 #ifdef _WIN32