From: Simon Marlow <marlowsd@gmail.com>
Date: Tue, 27 May 2008 11:05:49 +0000 (+0000)
Subject: note about evaluation affecting StableNames
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=3907800d3a9f26fba88b0605af197a7d2866a0eb;p=ghc-base.git

note about evaluation affecting StableNames
---

diff --git a/System/Mem/StableName.hs b/System/Mem/StableName.hs
index f0919f9..a2f9397 100644
--- a/System/Mem/StableName.hs
+++ b/System/Mem/StableName.hs
@@ -55,7 +55,9 @@ import GHC.Base		( Int(..), StableName#, makeStableName#
    the same object.
 
   The reverse is not necessarily true: if two stable names are not
-  equal, then the objects they name may still be equal.
+  equal, then the objects they name may still be equal.  Note in particular
+  that `mkStableName` may return a different `StableName` after an
+  object is evaluated.
 
   Stable Names are similar to Stable Pointers ("Foreign.StablePtr"),
   but differ in the following ways: