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Drop support for C++03

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This commit is contained in:
Andrzej Krzemienski
2024-08-15 01:48:31 +02:00
parent 8421c07517
commit 82d08adf11
5 changed files with 71 additions and 65 deletions
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35
include/boost/optional/optional.hpp
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@ -60,7 +60,6 @@
#include <boost/move/utility.hpp>
#include <boost/none.hpp>
#include <boost/utility/compare_pointees.hpp>
#include <boost/utility/result_of.hpp>
#include <boost/optional/optional_fwd.hpp>
#include <boost/optional/detail/optional_config.hpp>
@ -75,12 +74,15 @@ struct optional_value_type
{
};
template <typename T>
struct optional_value_type< ::boost::optional<T> >
template <typename U>
struct optional_value_type< ::boost::optional<U> >
{
typedef T type;
typedef U type;
};
template <typename T>
T declval();
}} // namespace boost::optional_detail
namespace boost {
@ -1381,7 +1383,6 @@ class optional
}
#endif
#if (!defined BOOST_NO_CXX11_REF_QUALIFIERS) && (!defined BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES)
template <typename F>
value_type value_or_eval ( F f ) const&
@ -1402,7 +1403,7 @@ class optional
}
template <typename F>
optional<typename boost::result_of<F(reference_type)>::type> map(F f) &
optional<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_type>()))> map(F f) &
{
if (this->has_value())
return f(get());
@ -1411,7 +1412,7 @@ class optional
}
template <typename F>
optional<typename boost::result_of<F(reference_const_type)>::type> map(F f) const&
optional<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_const_type>()))> map(F f) const&
{
if (this->has_value())
return f(get());
@ -1420,7 +1421,7 @@ class optional
}
template <typename F>
optional<typename boost::result_of<F(reference_type_of_temporary_wrapper)>::type> map(F f) &&
optional<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_type_of_temporary_wrapper>()))> map(F f) &&
{
if (this->has_value())
return f(boost::move(this->get()));
@ -1429,7 +1430,7 @@ class optional
}
template <typename F>
optional<typename optional_detail::optional_value_type<typename boost::result_of<F(reference_type)>::type>::type> flat_map(F f) &
optional<typename optional_detail::optional_value_type<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_type>()))>::type> flat_map(F f) &
{
if (this->has_value())
return f(get());
@ -1438,7 +1439,7 @@ class optional
}
template <typename F>
optional<typename optional_detail::optional_value_type<typename boost::result_of<F(reference_const_type)>::type>::type> flat_map(F f) const&
optional<typename optional_detail::optional_value_type<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_const_type>()))>::type>flat_map(F f) const&
{
if (this->has_value())
return f(get());
@ -1447,7 +1448,7 @@ class optional
}
template <typename F>
optional<typename optional_detail::optional_value_type<typename boost::result_of<F(reference_type_of_temporary_wrapper)>::type>::type> flat_map(F f) &&
optional<typename optional_detail::optional_value_type<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_type_of_temporary_wrapper>()))>::type>flat_map(F f) &&
{
if (this->has_value())
return f(boost::move(get()));
@ -1466,7 +1467,7 @@ class optional
}
template <typename F>
optional<typename boost::result_of<F(reference_type)>::type> map(F f)
optional<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_type>()))> map(F f)
{
if (this->has_value())
return f(get());
@ -1475,7 +1476,7 @@ class optional
}
template <typename F>
optional<typename boost::result_of<F(reference_const_type)>::type> map(F f) const
optional<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_const_type>()))> map(F f) const
{
if (this->has_value())
return f(get());
@ -1484,7 +1485,7 @@ class optional
}
template <typename F>
optional<typename optional_detail::optional_value_type<typename boost::result_of<F(reference_type)>::type>::type> flat_map(F f)
optional<typename optional_detail::optional_value_type<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_type>()))>::type> flat_map(F f)
{
if (this->has_value())
return f(get());
@ -1493,7 +1494,7 @@ class optional
}
template <typename F>
optional<typename optional_detail::optional_value_type<typename boost::result_of<F(reference_const_type)>::type>::type> flat_map(F f) const
optional<typename optional_detail::optional_value_type<decltype(optional_detail::declval<F>()(optional_detail::declval<reference_const_type>()))>::type> flat_map(F f) const
{
if (this->has_value())
return f(get());
@ -1505,9 +1506,7 @@ class optional
bool has_value() const BOOST_NOEXCEPT { return this->is_initialized() ; }
bool operator!() const BOOST_NOEXCEPT { return !this->is_initialized() ; }
BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT()
explicit operator bool() const BOOST_NOEXCEPT { return this->has_value() ; }
} ;