From 403f5aea1468f8e686134834e72c8ba326688643 Mon Sep 17 00:00:00 2001
From: Timothee Cour <timothee.cour2@gmail.com>
Date: Wed, 3 Oct 2018 15:58:39 -0700
Subject: [PATCH] define NIM_NIL nullptr when __cplusplus >= 201103L

---
 lib/nimbase.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/nimbase.h b/lib/nimbase.h
index c04d378c54..2cb632787a 100644
--- a/lib/nimbase.h
+++ b/lib/nimbase.h
@@ -280,7 +280,13 @@ namespace USE_NIM_NAMESPACE {
 #    define NIM_FALSE false
 #  endif
 #  define NIM_BOOL bool
-#  define NIM_NIL 0
+#  if __cplusplus >= 201103L
+#    /* nullptr is more type safe (less implicit conversions than 0) */
+#    define NIM_NIL nullptr
+#  else
+#    /* consider using NULL if comment below for NIM_NIL doesn't apply to C++ */
+#    define NIM_NIL 0
+#  endif
 #else
 #  ifdef bool
 #    define NIM_BOOL bool