From 66ca47f856cc04774cbe07dc67e2e099e5d527f3 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 10 Feb 2017 12:08:33 +0200
Subject: Cosmetic changes

---
 butl/const-ptr | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/butl/const-ptr b/butl/const-ptr
index 23686bc..971e929 100644
--- a/butl/const-ptr
+++ b/butl/const-ptr
@@ -33,6 +33,9 @@ namespace butl
   // Note that due to this semantics, copy construction/assignment requires
   // a non-const instance of const_ptr.
   //
+  // Note that this type is standard layout (which means we can reinterpret
+  // it as a raw pointer).
+  //
   // Known drawbacks/issues:
   //
   // 1. Cannot do static_cast<mytree*> (x.left).
-- 
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