From bcaca24de4264f89a94069701361988007e22e58 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Mon, 27 Jul 2015 20:37:16 +0100
Subject: Convert boost::optional objects to bool explicitly.

Fixes #417.
---
 src/times.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

(limited to 'src/times.h')

diff --git a/src/times.h b/src/times.h
index 421d1462..e1a9e847 100644
--- a/src/times.h
+++ b/src/times.h
@@ -500,11 +500,7 @@ public:
   void   stabilize(const optional<date_t>& date = none);
 
   bool   is_valid() const {
-#if BOOST_VERSION >= 105600
-    return start != NULL;
-#else
-    return start;
-#endif
+    return static_cast<bool>(start);
   }
 
   /** Find the current or next period containing date.  Returns false if
-- 
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