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Add a definition for nvp_bool

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This commit is contained in:
Glen Fernandes
2019-09-10 08:04:40 -04:00
parent 26497003f2
commit f52dec58c2
3 changed files with 7 additions and 8 deletions
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5
doc/nvp.qbk
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@ -50,7 +50,7 @@ public:
const T& const_value() const noexcept;
template<class A>
void serialize(A& archive, unsigned version);
void serialize(A& archive, unsigned);
};
template<class T>
@ -80,8 +80,7 @@ const nvp<T> make_nvp(const char* name, T& value) noexcept;
[Returns a reference to the value.]]
[[`const T& const_value() const noexcept;`]
[Returns a reference to the value.]]
[[`template<class A> void serialize(A& archive,
unsigned version);`]
[[`template<class A> void serialize(A& archive, unsigned);`]
[Calls `archive.operator<<(const_value())` if `A::is_saving` is a true type,
otherwise `archive.operator>>(value())`.]]]

5
include/boost/core/nvp.hpp
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@ -19,7 +19,7 @@ struct nvp_bool {
typedef bool value_type;
typedef nvp_bool type;
BOOST_STATIC_CONSTANT(bool, value = V);
BOOST_STATIC_CONSTEXPR bool value = V;
BOOST_CONSTEXPR operator bool() const BOOST_NOEXCEPT {
return V;
@ -30,6 +30,9 @@ struct nvp_bool {
}
};
template<bool V>
BOOST_CONSTEXPR_OR_CONST bool nvp_bool<V>::value;
} /* detail */
template<class T>

5
test/nvp_test.cpp
View File

@ -76,14 +76,11 @@ void test_deserialize()
void test_trait()
{
BOOST_TEST_TRAIT_TRUE((boost::is_nvp<boost::nvp<int> >));
BOOST_TEST_TRAIT_FALSE((boost::is_nvp<int>));
BOOST_TEST_TRAIT_TRUE((boost::is_nvp<boost::nvp<int> >));
BOOST_TEST_TRAIT_TRUE((boost::is_nvp<const boost::nvp<int> >));
BOOST_TEST_TRAIT_FALSE((boost::is_nvp<const int>));
BOOST_TEST_TRAIT_TRUE((boost::is_nvp<volatile boost::nvp<int> >));
BOOST_TEST_TRAIT_FALSE((boost::is_nvp<volatile int>));
BOOST_TEST_TRAIT_TRUE((boost::is_nvp<const volatile boost::nvp<int> >));
BOOST_TEST_TRAIT_FALSE((boost::is_nvp<const volatile int>));
}
void test_factory()