From 3d80fcb8c6ff1e03922f517681efad65d79563fb Mon Sep 17 00:00:00 2001
From: transfuturist <timothy.schmid@gmail.com>
Date: Sat, 16 May 2015 17:50:01 -0700
Subject: [PATCH] Add value check for NimNode items

---
 lib/core/macros.nim | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/core/macros.nim b/lib/core/macros.nim
index 48e4566b3..41998250e 100644
--- a/lib/core/macros.nim
+++ b/lib/core/macros.nim
@@ -708,9 +708,10 @@ proc `$`*(node: NimNode): string {.compileTime.} =
 proc ident*(name: string): NimNode {.compileTime,inline.} = newIdentNode(name)
   ## Create a new ident node from a string
 
-iterator items*(n: NimNode): NimNode {.inline.}=
-  for i in 0 .. high(n):
-    yield n[i]
+iterator items*(n: NimNode): NimNode {.inline.} =
+  if n[0] != nil:
+    for i in 0 .. high(n):
+      yield n[i]
 
 {.deprecated: [children: items].}