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Catching up with N4078
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@ -1,4 +1,5 @@
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// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
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// Copyright (C) 2014, Andrzej Krzemienski.
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//
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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@ -9,6 +10,8 @@
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// You are welcome to contact the author at:
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// fernando_cacciola@hotmail.com
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//
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#include <boost/core/ignore_unused.hpp>
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#ifdef ENABLE_TRACE
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#define TRACE(msg) std::cout << msg << std::endl ;
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#else
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@ -37,7 +40,6 @@ void assertion_failed (char const * expr, char const * func, char const * file,
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using boost::optional ;
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template<class T> inline void unused_variable ( const T& ) {}
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#ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
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using boost::swap ;
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