From 5a49c51b4cd902f172264e28a567be3783ac73be Mon Sep 17 00:00:00 2001
From: Yuriy Glukhov <yutiy.glukhov@gmail.com>
Date: Fri, 13 May 2016 20:09:14 +0300
Subject: Added limitations note to sizeof. Closes #4153.

---
 lib/system.nim | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib')

diff --git a/lib/system.nim b/lib/system.nim
index f584f7590..cb98bcc5f 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -588,6 +588,9 @@ proc sizeof*[T](x: T): int {.magic: "SizeOf", noSideEffect.}
   ## that one never needs to know ``x``'s size. As a special semantic rule,
   ## ``x`` may also be a type identifier (``sizeof(int)`` is valid).
   ##
+  ## Limitations: If used within nim VM context ``sizeof`` will only work
+  ## for simple types.
+  ##
   ## .. code-block:: nim
   ##  sizeof('A') #=> 1
   ##  sizeof(2) #=> 8
-- 
cgit 1.4.1-2-gfad0