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Fix compile error with ambiguous ctor, close #11766.

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When a) first elem is sequence b) second (and third) elem is(are) void*,
both of conversion ctor and forwarding ctor are candidate since SFINAE
expression has void* type.
This commit is contained in:
Kohei Takahashi
2015-12-01 01:14:52 +09:00
parent e9d489c07c
commit 12792a6c11
9 changed files with 30 additions and 22 deletions
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7
include/boost/fusion/container/deque/deque.hpp
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@ -21,6 +21,7 @@
// C++11 interface
///////////////////////////////////////////////////////////////////////////////
#include <boost/fusion/support/sequence_base.hpp>
#include <boost/fusion/support/void.hpp>
#include <boost/fusion/support/detail/access.hpp>
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/fusion/container/deque/detail/keyed_element.hpp>
@ -59,7 +60,7 @@ namespace boost { namespace fusion
typename enable_if<
mpl::and_<
traits::is_sequence<Sequence>
, result_of::empty<Sequence>>>::type* /*dummy*/ = 0) BOOST_NOEXCEPT
, result_of::empty<Sequence>>, void_>::type = void_()) BOOST_NOEXCEPT
{}
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@ -149,8 +150,8 @@ namespace boost { namespace fusion
template <typename Sequence>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
explicit deque(Sequence const& seq
, typename disable_if<is_convertible<Sequence, Head> >::type* /*dummy*/ = 0
, typename enable_if<traits::is_sequence<Sequence> >::type* /*dummy*/ = 0)
, typename disable_if<is_convertible<Sequence, Head>, void_>::type = void_()
, typename enable_if<traits::is_sequence<Sequence>, void_>::type = void_())
: base(base::from_iterator(fusion::begin(seq)))
{}