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Use aliases for type traits in C++14 mode. 

* include/bits/unique_ptr.h (make_unique): Use alias for trait.
	* include/experimental/optional (__constexpr_addressof): Likewise.
	(_Optional_base, optional, make_optional): Likewise.

From-SVN: r217064
This commit is contained in:
Jonathan Wakely 2014-11-04 02:49:20 +00:00 committed by Jonathan Wakely
parent fc628a8153
commit 8a57bed1d6
3 changed files with 26 additions and 30 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2014-11-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/unique_ptr.h (make_unique): Use alias for trait.
* include/experimental/optional (__constexpr_addressof): Likewise.
(_Optional_base, optional, make_optional): Likewise.
2014-11-03 Paolo Carlini <paolo.carlini@oracle.com>
* include/parallel/algo.h: Do not use default arguments in function

2
libstdc++-v3/include/bits/unique_ptr.h
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@ -768,7 +768,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Tp>
inline typename _MakeUniq<_Tp>::__array
make_unique(size_t __num)
{ return unique_ptr<_Tp>(new typename remove_extent<_Tp>::type[__num]()); }
{ return unique_ptr<_Tp>(new remove_extent_t<_Tp>[__num]()); }
/// Disable std::make_unique for arrays of known bound
template<typename _Tp, typename... _Args>

48
libstdc++-v3/include/experimental/optional
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@ -151,16 +151,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
* overloaded addressof operator (unary operator&), in which case the call
* will not be a constant expression.
*/
template<typename _Tp, typename enable_if<!_Has_addressof<_Tp>::value,
int>::type...>
template<typename _Tp, enable_if_t<!_Has_addressof<_Tp>::value, int>...>
constexpr _Tp* __constexpr_addressof(_Tp& __t)
{ return &__t; }
/**
* @brief Fallback overload that defers to __addressof.
*/
template<typename _Tp, typename enable_if<_Has_addressof<_Tp>::value,
int>::type...>
template<typename _Tp, enable_if_t<_Has_addressof<_Tp>::value, int>...>
inline _Tp* __constexpr_addressof(_Tp& __t)
{ return std::__addressof(__t); }
@ -184,7 +182,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// Remove const to avoid prohibition of reusing object storage for
// const-qualified types in [3.8/9]. This is strictly internal
// and even optional itself is oblivious to it.
using _Stored_type = typename remove_const<_Tp>::type;
using _Stored_type = remove_const_t<_Tp>;
public:
// [X.Y.4.1] Constructors.
@ -208,10 +206,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
: _M_payload(std::forward<_Args>(__args)...), _M_engaged(true) { }
template<typename _Up, typename... _Args,
typename enable_if<is_constructible<_Tp,
initializer_list<_Up>&,
_Args&&...>::value,
int>::type...>
enable_if_t<is_constructible<_Tp,
initializer_list<_Up>&,
_Args&&...>::value,
int>...>
constexpr explicit _Optional_base(in_place_t,
initializer_list<_Up> __il,
_Args&&... __args)
@ -330,7 +328,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
class _Optional_base<_Tp, false>
{
private:
using _Stored_type = typename remove_const<_Tp>::type;
using _Stored_type = remove_const_t<_Tp>;
public:
constexpr _Optional_base() noexcept
@ -350,10 +348,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
: _M_payload(std::forward<_Args>(__args)...), _M_engaged(true) { }
template<typename _Up, typename... _Args,
typename enable_if<is_constructible<_Tp,
initializer_list<_Up>&,
_Args&&...>::value,
int>::type...>
enable_if_t<is_constructible<_Tp,
initializer_list<_Up>&,
_Args&&...>::value,
int>...>
constexpr explicit _Optional_base(in_place_t,
initializer_list<_Up> __il,
_Args&&... __args)
@ -472,10 +470,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// Unique tag type.
optional<_Tp>>
{
static_assert(__and_<__not_<is_same<typename remove_cv<_Tp>::type,
nullopt_t>>,
__not_<is_same<typename remove_cv<_Tp>::type,
in_place_t>>,
static_assert(__and_<__not_<is_same<remove_cv_t<_Tp>, nullopt_t>>,
__not_<is_same<remove_cv_t<_Tp>, in_place_t>>,
__not_<is_reference<_Tp>>>(),
"Invalid instantiation of optional<T>");
@ -497,10 +493,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Up>
typename enable_if<
is_same<_Tp, typename decay<_Up>::type>::value,
optional&
>::type
enable_if_t<is_same<_Tp, decay_t<_Up>>::value, optional&>
operator=(_Up&& __u)
{
static_assert(__and_<is_constructible<_Tp, _Up>,
@ -527,11 +520,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
template<typename _Up, typename... _Args>
typename enable_if<
is_constructible<_Tp,
initializer_list<_Up>&,
_Args&&...>::value
>::type
enable_if_t<is_constructible<_Tp, initializer_list<_Up>&,
_Args&&...>::value>
emplace(initializer_list<_Up> __il, _Args&&... __args)
{
this->_M_reset();
@ -795,9 +785,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ __lhs.swap(__rhs); }
template<typename _Tp>
constexpr optional<typename decay<_Tp>::type>
constexpr optional<decay_t<_Tp>>
make_optional(_Tp&& __t)
{ return optional<typename decay<_Tp>::type> { std::forward<_Tp>(__t) }; }
{ return optional<decay_t<_Tp>> { std::forward<_Tp>(__t) }; }
// @} group optional
_GLIBCXX_END_NAMESPACE_VERSION