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Fix ambiguous constructor calls for piecewise_construct and Boost vs std tuples

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Ion Gaztañaga
2017-04-05 16:04:53 +02:00
parent 01d7c71ea8
commit cdb022fda2
1 changed files with 57 additions and 4 deletions
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59
include/boost/container/detail/pair.hpp
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@@ -42,9 +42,55 @@ namespace tuples {
struct null_type; struct null_type;
template <
class T0, class T1, class T2,
class T3, class T4, class T5,
class T6, class T7, class T8,
class T9>
class tuple;
} //namespace tuples { } //namespace tuples {
} //namespace boost { } //namespace boost {
namespace boost {
namespace container {
namespace pair_impl {
template <class TupleClass>
struct is_boost_tuple
{
static const bool value = false;
};
template <
class T0, class T1, class T2,
class T3, class T4, class T5,
class T6, class T7, class T8,
class T9>
struct is_boost_tuple< boost::tuples::tuple<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9> >
{
static const bool value = true;
};
template<class Tuple>
struct disable_if_boost_tuple
: boost::container::container_detail::disable_if< is_boost_tuple<Tuple> >
{};
template<class T>
struct is_tuple_null
{
static const bool value = false;
};
template<>
struct is_tuple_null<boost::tuples::null_type>
{
static const bool value = true;
};
}}}
#if defined(BOOST_MSVC) && (_CPPLIB_VER == 520) #if defined(BOOST_MSVC) && (_CPPLIB_VER == 520)
//MSVC 2010 tuple marker //MSVC 2010 tuple marker
namespace std { namespace tr1 { struct _Nil; }} namespace std { namespace tr1 { struct _Nil; }}
@@ -236,7 +282,12 @@ struct pair
BOOST_MOVE_I_IF(BOOST_MOVE_OR(N,M)) BOOST_MOVE_CLASS##N BOOST_MOVE_I_IF(BOOST_MOVE_AND(N,M)) BOOST_MOVE_CLASSQ##M > \ BOOST_MOVE_I_IF(BOOST_MOVE_OR(N,M)) BOOST_MOVE_CLASS##N BOOST_MOVE_I_IF(BOOST_MOVE_AND(N,M)) BOOST_MOVE_CLASSQ##M > \
pair( piecewise_construct_t\ pair( piecewise_construct_t\
, BoostTuple<BOOST_MOVE_TARG##N BOOST_MOVE_I##N BOOST_MOVE_REPEAT(BOOST_MOVE_SUB(10,N),::boost::tuples::null_type)> p\ , BoostTuple<BOOST_MOVE_TARG##N BOOST_MOVE_I##N BOOST_MOVE_REPEAT(BOOST_MOVE_SUB(10,N),::boost::tuples::null_type)> p\
, BoostTuple<BOOST_MOVE_TARGQ##M BOOST_MOVE_I##M BOOST_MOVE_REPEAT(BOOST_MOVE_SUB(10,M),::boost::tuples::null_type)> q)\ , BoostTuple<BOOST_MOVE_TARGQ##M BOOST_MOVE_I##M BOOST_MOVE_REPEAT(BOOST_MOVE_SUB(10,M),::boost::tuples::null_type)> q\
, typename container_detail::enable_if_c\
< pair_impl::is_boost_tuple< BoostTuple<BOOST_MOVE_TARG##N BOOST_MOVE_I##N BOOST_MOVE_REPEAT(BOOST_MOVE_SUB(10,N),::boost::tuples::null_type)> >::value &&\
!(pair_impl::is_tuple_null<BOOST_MOVE_LAST_TARG##N>::value || pair_impl::is_tuple_null<BOOST_MOVE_LAST_TARGQ##M>::value) \
>::type* = 0\
)\
: first(BOOST_MOVE_TMPL_GET##N), second(BOOST_MOVE_TMPL_GETQ##M)\ : first(BOOST_MOVE_TMPL_GET##N), second(BOOST_MOVE_TMPL_GETQ##M)\
{ (void)p; (void)q; }\ { (void)p; (void)q; }\
// //
@@ -254,7 +305,8 @@ struct pair
{ (void) t1; (void)t2; } { (void) t1; (void)t2; }
public: public:
template<template<class ...> class Tuple, class... Args1, class... Args2> template< template<class ...> class Tuple, class... Args1, class... Args2
, class = typename pair_impl::disable_if_boost_tuple< Tuple<Args1...> >::type>
pair(piecewise_construct_t, Tuple<Args1...> t1, Tuple<Args2...> t2) pair(piecewise_construct_t, Tuple<Args1...> t1, Tuple<Args2...> t2)
: pair(t1, t2, typename build_number_seq<sizeof...(Args1)>::type(), typename build_number_seq<sizeof...(Args2)>::type()) : pair(t1, t2, typename build_number_seq<sizeof...(Args1)>::type(), typename build_number_seq<sizeof...(Args2)>::type())
{} {}
@@ -270,7 +322,8 @@ struct pair
{ (void)t; return T(::boost::forward<Args>(get<Indexes>(t))...); } { (void)t; return T(::boost::forward<Args>(get<Indexes>(t))...); }
public: public:
template<template<class ...> class Tuple, class... Args1, class... Args2> template< template<class ...> class Tuple, class... Args1, class... Args2
, class = typename pair_impl::disable_if_boost_tuple< Tuple<Args1...> >::type>
pair(piecewise_construct_t, Tuple<Args1...> t1, Tuple<Args2...> t2) pair(piecewise_construct_t, Tuple<Args1...> t1, Tuple<Args2...> t2)
: first (build_from_args<first_type> (::boost::move(t1))) : first (build_from_args<first_type> (::boost::move(t1)))
, second (build_from_args<second_type>(::boost::move(t2))) , second (build_from_args<second_type>(::boost::move(t2)))