From e23a88afad10600ffcafb359b43c31e20791dcf9 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sat, 29 Apr 2017 17:39:33 +0300
Subject: Fix standard version stub to differ from empty version

---
 butl/standard-version | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'butl/standard-version')

diff --git a/butl/standard-version b/butl/standard-version
index ae26d71..f609215 100644
--- a/butl/standard-version
+++ b/butl/standard-version
@@ -73,8 +73,10 @@ namespace butl
     earliest () const noexcept;
 
     bool
-    stub () const noexcept {return version == 0;}
+    stub () const noexcept {return version == std::uint64_t (~0);}
 
+    // Comparison of empty or stub versions doesn't make sense.
+    //
     int
     compare (const standard_version& v) const noexcept
     {
-- 
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