From 0a2a8957fa010d08a0fe29d0c6bfb3753a5ed0af Mon Sep 17 00:00:00 2001
From: Andrzej Krzemienski <akrzemi1@gmail.com>
Date: Sun, 15 Jun 2014 21:51:07 +0200
Subject: [PATCH] bug fix: comma in BOOST_STATIC_ASSERT

---
 include/boost/optional/optional.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/boost/optional/optional.hpp b/include/boost/optional/optional.hpp
index c742570..35e147c 100644
--- a/include/boost/optional/optional.hpp
+++ b/include/boost/optional/optional.hpp
@@ -1062,28 +1062,28 @@ class optional : public optional_detail::optional_base<T>
     template <class U>
     value_type value_or ( U&& v ) const&
       { 
-        BOOST_STATIC_ASSERT(is_convertible<U&&, value_type>::value);
+        BOOST_STATIC_ASSERT((is_convertible<U&&, value_type>::value));
         return this->is_initialized() ? get() : static_cast<value_type>(boost::forward<U>(v));
       }
     
     template <class U>
     value_type value_or ( U&& v ) && 
       { 
-        BOOST_STATIC_ASSERT(is_convertible<U&&, value_type>::value);
+        BOOST_STATIC_ASSERT((is_convertible<U&&, value_type>::value));
         return this->is_initialized() ? boost::move(get()) : static_cast<value_type>(boost::forward<U>(v));
       }
 #elif !defined BOOST_NO_CXX11_RVALUE_REFERENCES
     template <class U>
     value_type value_or ( U&& v ) const 
       { 
-        BOOST_STATIC_ASSERT(is_convertible<U&&, value_type>::value);
+        BOOST_STATIC_ASSERT((is_convertible<U&&, value_type>::value));
         return this->is_initialized() ? get() : static_cast<value_type>(boost::forward<U>(v));
       }
 #else
     template <class U>
     value_type value_or ( U const& v ) const 
       { 
-        BOOST_STATIC_ASSERT(is_convertible<U const&, value_type>::value);
+        BOOST_STATIC_ASSERT((is_convertible<U const&, value_type>::value));
         return this->is_initialized() ? get() : static_cast<value_type>(v);
       }
 #endif