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Use boost::declval, as g++ 4.4 has decltype but no std::declval

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Peter Dimov
2018-09-30 01:11:12 +03:00
parent af9f65e06e
commit 364f755d99
1 changed files with 2 additions and 2 deletions
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4
include/boost/range/adaptor/ref_unwrapped.hpp
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@ -15,7 +15,7 @@
#include <boost/range/adaptor/transformed.hpp>
#include <boost/range/reference.hpp>
#include <boost/range/concepts.hpp>
#include <boost/type_traits/declval.hpp>
#include <utility>
#if !defined(BOOST_NO_CXX11_DECLTYPE)
@ -32,7 +32,7 @@ namespace boost
typedef BOOST_DEDUCED_TYPENAME
range_reference<SinglePassRange>::type argument_type;
typedef decltype(std::declval<argument_type>().get() ) result_type;
typedef decltype( boost::declval<argument_type>().get() ) result_type;
result_type operator()( argument_type &&r ) const
{