define NIM_NIL nullptr when __cplusplus >= 201103L

nim-lang · Oct 8, 2018 · 403f5ae · 403f5ae
1 parent 269b957
commit 403f5ae
Showing 1 changed file with 7 additions and 1 deletion.
diff --git 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