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This commit is contained in:
Andrey Semashev
2017-07-29 17:25:42 +03:00
committed by Andrzej Krzemienski
parent 7e1beb473c
commit e95f9fc254
3 changed files with 33 additions and 33 deletions
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16
include/boost/optional/detail/old_optional_implementation.hpp
View File

@ -746,12 +746,12 @@ class optional : public optional_detail::optional_base<T>
optional ( optional const& rhs ) : base( static_cast<base const&>(rhs) ) {}
#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES
// Creates a deep move of another optional<T>
// Can throw if T::T(T&&) does
optional ( optional && rhs )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value)
: base( boost::move(rhs) )
{}
// Creates a deep move of another optional<T>
// Can throw if T::T(T&&) does
optional ( optional && rhs )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value)
: base( boost::move(rhs) )
{}
#endif
// No-throw (assuming T::~T() doesn't)
@ -819,7 +819,7 @@ class optional : public optional_detail::optional_base<T>
#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES
// Assigns from another optional<T> (deep-moves the rhs value)
optional& operator= ( optional && rhs )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
{
this->assign( static_cast<base &&>(rhs) ) ;
return *this ;
@ -892,7 +892,7 @@ class optional : public optional_detail::optional_base<T>
#endif
void swap( optional & arg )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
{
// allow for Koenig lookup
boost::swap(*this, arg);

30
include/boost/optional/detail/optional_aligned_storage.hpp
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@ -44,24 +44,24 @@ class aligned_storage
#endif
#if defined(BOOST_OPTIONAL_DETAIL_USE_ATTRIBUTE_MAY_ALIAS)
// This workaround is supposed to silence GCC warnings about broken strict aliasing rules
T const* ptr_ref() const
{
union { void const* ap_pvoid; T const* as_ptype; } caster = { address() };
return caster.as_ptype;
}
T * ptr_ref()
{
union { void* ap_pvoid; T* as_ptype; } caster = { address() };
return caster.as_ptype;
}
// This workaround is supposed to silence GCC warnings about broken strict aliasing rules
T const* ptr_ref() const
{
union { void const* ap_pvoid; T const* as_ptype; } caster = { address() };
return caster.as_ptype;
}
T * ptr_ref()
{
union { void* ap_pvoid; T* as_ptype; } caster = { address() };
return caster.as_ptype;
}
#else
T const* ptr_ref() const { return static_cast<T const*>(address()); }
T * ptr_ref() { return static_cast<T *> (address()); }
T const* ptr_ref() const { return static_cast<T const*>(address()); }
T * ptr_ref() { return static_cast<T *> (address()); }
#endif
T const& ref() const { return *ptr_ref(); }
T & ref() { return *ptr_ref(); }
T const& ref() const { return *ptr_ref(); }
T & ref() { return *ptr_ref(); }
} ;

20
include/boost/optional/optional.hpp
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@ -67,7 +67,7 @@ struct in_place_init_t
};
const in_place_init_t in_place_init ((in_place_init_t::init_tag()));
// a tag for conditional in-place initialization of contained value
// a tag for conditional in-place initialization of contained value
struct in_place_init_if_t
{
struct init_tag{};
@ -896,12 +896,12 @@ class optional : public optional_detail::optional_base<T>
optional ( optional const& rhs ) : base( static_cast<base const&>(rhs) ) {}
#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES
// Creates a deep move of another optional<T>
// Can throw if T::T(T&&) does
optional ( optional && rhs )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value)
: base( boost::move(rhs) )
{}
// Creates a deep move of another optional<T>
// Can throw if T::T(T&&) does
optional ( optional && rhs )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value)
: base( boost::move(rhs) )
{}
#endif
@ -910,7 +910,7 @@ class optional : public optional_detail::optional_base<T>
~optional() {}
#endif
#if !defined(BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT) && !defined(BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION)
// Assigns from an expression. See corresponding constructor.
// Basic Guarantee: If the resolved T ctor throws, this is left UNINITIALIZED
@ -968,7 +968,7 @@ class optional : public optional_detail::optional_base<T>
#ifndef BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES
// Assigns from another optional<T> (deep-moves the rhs value)
optional& operator= ( optional && rhs )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
{
this->assign( static_cast<base &&>(rhs) ) ;
return *this ;
@ -1112,7 +1112,7 @@ class optional : public optional_detail::optional_base<T>
#endif
void swap( optional & arg )
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
BOOST_NOEXCEPT_IF(::boost::is_nothrow_move_constructible<T>::value && ::boost::is_nothrow_move_assignable<T>::value)
{
// allow for Koenig lookup
boost::swap(*this, arg);