From 93cd5a4a13742b48bb1db0cafe36dd90b7abc10d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Tue, 18 May 2010 10:36:37 +0000
Subject: * The << operator on values should be const.

---
 src/libexpr/eval.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libexpr/eval.cc')

diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index 14e5cab7de60..1ee6c5a7f6aa 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -16,7 +16,7 @@
 namespace nix {
     
 
-std::ostream & operator << (std::ostream & str, Value & v)
+std::ostream & operator << (std::ostream & str, const Value & v)
 {
     switch (v.type) {
     case tInt:
-- 
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