From de15b95d09d00821aa23e96a0c3e827689c27a58 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 20 Jul 2016 16:18:29 +0200
Subject: Switch to dynamic empty() implementation in variable value

The current model fell apart when we modified values directly.
---
 build2/dump.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'build2/dump.cxx')

diff --git a/build2/dump.cxx b/build2/dump.cxx
index 08700fc..7cb97ef 100644
--- a/build2/dump.cxx
+++ b/build2/dump.cxx
@@ -22,7 +22,7 @@ namespace build2
   {
     // First print attributes if any.
     //
-    bool a (v.null () || (type && v.type != nullptr));
+    bool a (!v || (type && v.type != nullptr));
 
     if (a)
       os << '[';
@@ -35,7 +35,7 @@ namespace build2
       s = " ";
     }
 
-    if (v.null ())
+    if (!v)
     {
       os << s << "null";
       s = " ";
@@ -46,7 +46,7 @@ namespace build2
 
     // Now the value if there is one.
     //
-    if (!v.null ())
+    if (v)
     {
       names storage;
       os << (a ? " " : "") << reverse (v, storage);
-- 
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