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Move type classification traits from namespace hash_detail to namespace container_hash

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This commit is contained in:
Peter Dimov
2022-09-13 19:37:15 +03:00
parent f722383d1d
commit d1b2640dff
8 changed files with 47 additions and 21 deletions
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11
include/boost/container_hash/detail/is_contiguous_range.hpp
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@@ -28,11 +28,16 @@ template<class It, class T, class S>
template<class T> decltype( is_contiguous_range_check( declval<T const&>().begin(), declval<T const&>().end(), declval<T const&>().data(), declval<T const&>().data() + declval<T const&>().size(), declval<T const&>().size() ) ) is_contiguous_range_( int );
template<class T> false_type is_contiguous_range_( ... );
} // namespace hash_detail
namespace container_hash
{
template<class T> struct is_contiguous_range: decltype( hash_detail::is_contiguous_range_<T>( 0 ) )
{
};
} // namespace hash_detail
} // namespace container_hash
} // namespace boost
#else // !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR)
@@ -46,7 +51,7 @@ template<class T> struct is_contiguous_range: decltype( hash_detail::is_contiguo
namespace boost
{
namespace hash_detail
namespace container_hash
{
template<class T> struct is_contiguous_range: false_type
@@ -73,7 +78,7 @@ template<class T, std::size_t N> struct is_contiguous_range< std::array<T, N> co
#endif
} // namespace hash_detail
} // namespace container_hash
} // namespace boost
#endif // !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR)

26
include/boost/container_hash/detail/is_range.hpp
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@@ -16,11 +16,11 @@
namespace boost
{
#if !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
namespace hash_detail
{
#if !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR) && !BOOST_WORKAROUND(BOOST_GCC, < 40700)
template<class T, class It>
integral_constant< bool, !is_same<typename remove_cv<T>::type, typename std::iterator_traits<It>::value_type>::value >
is_range_check( It first, It last );
@@ -28,12 +28,22 @@ template<class T, class It>
template<class T> decltype( is_range_check<T>( declval<T const&>().begin(), declval<T const&>().end() ) ) is_range_( int );
template<class T> false_type is_range_( ... );
template<class T> struct is_range: decltype( is_range_<T>( 0 ) )
} // namespace hash_detail
namespace container_hash
{
template<class T> struct is_range: decltype( hash_detail::is_range_<T>( 0 ) )
{
};
} // namespace container_hash
#else
namespace hash_detail
{
template<class T, class E = true_type> struct is_range_: false_type
{
};
@@ -45,13 +55,19 @@ template<class T> struct is_range_< T, integral_constant< bool,
{
};
template<class T> struct is_range: is_range_<T>
} // namespace hash_detail
namespace container_hash
{
template<class T> struct is_range: hash_detail::is_range_<T>
{
};
} // namespace container_hash
#endif // !defined(BOOST_NO_CXX11_DECLTYPE) && !defined(BOOST_NO_SFINAE_EXPR)
} // namespace hash_detail
} // namespace boost
#endif // #ifndef BOOST_HASH_DETAIL_IS_RANGE_HPP_INCLUDED

9
include/boost/container_hash/detail/is_unordered_range.hpp
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@@ -24,11 +24,16 @@ template<class T> struct has_hasher_< T, integral_constant< bool,
{
};
template<class T> struct is_unordered_range: integral_constant< bool, is_range<T>::value && has_hasher_<T>::value >
} // namespace hash_detail
namespace container_hash
{
template<class T> struct is_unordered_range: integral_constant< bool, is_range<T>::value && hash_detail::has_hasher_<T>::value >
{
};
} // namespace hash_detail
} // namespace container_hash
} // namespace boost
#endif // #ifndef BOOST_HASH_DETAIL_IS_UNORDERED_RANGE_HPP_INCLUDED

14
include/boost/container_hash/hash.hpp
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@@ -393,7 +393,7 @@ namespace boost
// ranges (list, set, deque...)
template <typename T>
typename boost::enable_if_<hash_detail::is_range<T>::value && !hash_detail::is_contiguous_range<T>::value && !hash_detail::is_unordered_range<T>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_range<T>::value && !container_hash::is_contiguous_range<T>::value && !container_hash::is_unordered_range<T>::value, std::size_t>::type
hash_value( T const& v )
{
return boost::hash_range( v.begin(), v.end() );
@@ -402,7 +402,7 @@ namespace boost
// contiguous ranges (string, vector, array)
template <typename T>
typename boost::enable_if_<hash_detail::is_contiguous_range<T>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_contiguous_range<T>::value, std::size_t>::type
hash_value( T const& v )
{
return boost::hash_range( v.data(), v.data() + v.size() );
@@ -411,7 +411,7 @@ namespace boost
// unordered ranges (unordered_set, unordered_map)
template <typename T>
typename boost::enable_if_<hash_detail::is_unordered_range<T>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_unordered_range<T>::value, std::size_t>::type
hash_value( T const& v )
{
return boost::hash_unordered_range( v.begin(), v.end() );
@@ -422,7 +422,7 @@ namespace boost
// resolve ambiguity with unconstrained stdext::hash_value in <xhash> :-/
template<template<class...> class L, class... T>
typename boost::enable_if_<hash_detail::is_range<L<T...>>::value && !hash_detail::is_contiguous_range<L<T...>>::value && !hash_detail::is_unordered_range<L<T...>>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_range<L<T...>>::value && !container_hash::is_contiguous_range<L<T...>>::value && !container_hash::is_unordered_range<L<T...>>::value, std::size_t>::type
hash_value( L<T...> const& v )
{
return boost::hash_range( v.begin(), v.end() );
@@ -431,14 +431,14 @@ namespace boost
// contiguous ranges (string, vector, array)
template<template<class...> class L, class... T>
typename boost::enable_if_<hash_detail::is_contiguous_range<L<T...>>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_contiguous_range<L<T...>>::value, std::size_t>::type
hash_value( L<T...> const& v )
{
return boost::hash_range( v.data(), v.data() + v.size() );
}
template<template<class, std::size_t> class L, class T, std::size_t N>
typename boost::enable_if_<hash_detail::is_contiguous_range<L<T, N>>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_contiguous_range<L<T, N>>::value, std::size_t>::type
hash_value( L<T, N> const& v )
{
return boost::hash_range( v.data(), v.data() + v.size() );
@@ -447,7 +447,7 @@ namespace boost
// unordered ranges (unordered_set, unordered_map)
template<template<class...> class L, class... T>
typename boost::enable_if_<hash_detail::is_unordered_range<L<T...>>::value, std::size_t>::type
typename boost::enable_if_<container_hash::is_unordered_range<L<T...>>::value, std::size_t>::type
hash_value( L<T...> const& v )
{
return boost::hash_unordered_range( v.begin(), v.end() );

2
test/detail_is_contiguous_range_test.cpp
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@@ -30,7 +30,7 @@ struct X
int main()
{
using boost::hash_detail::is_contiguous_range;
using boost::container_hash::is_contiguous_range;
BOOST_TEST_TRAIT_FALSE((is_contiguous_range<void>));
BOOST_TEST_TRAIT_FALSE((is_contiguous_range<void const>));

2
test/detail_is_range_test.cpp
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@@ -30,7 +30,7 @@ struct X
int main()
{
using boost::hash_detail::is_range;
using boost::container_hash::is_range;
BOOST_TEST_TRAIT_FALSE((is_range<void>));
BOOST_TEST_TRAIT_FALSE((is_range<void const>));

2
test/detail_is_range_test2.cpp
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@@ -21,7 +21,7 @@
int main()
{
using boost::hash_detail::is_range;
using boost::container_hash::is_range;
BOOST_TEST_TRAIT_FALSE((is_range< boost::filesystem::path >));
BOOST_TEST_TRAIT_FALSE((is_range< boost::filesystem::path const >));

2
test/detail_is_unordered_range_test.cpp
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@@ -30,7 +30,7 @@ struct X
int main()
{
using boost::hash_detail::is_unordered_range;
using boost::container_hash::is_unordered_range;
BOOST_TEST_TRAIT_FALSE((is_unordered_range<void>));
BOOST_TEST_TRAIT_FALSE((is_unordered_range<void const>));