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add rebind_type container metafunction

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This commit is contained in:
bolero-MURAKAMI 2016-04-02 19:55:55 +09:00
parent 802f2fbaed
commit dd58135a93
7 changed files with 174 additions and 0 deletions
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42
sprout/container/container_transform_traits.hpp
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@ -33,6 +33,19 @@ namespace sprout {
typedef Array<T, Size> type;
};
template<typename Container, typename Type>
struct default_array_rebind_type;
template<
template<typename, std::size_t> class Array,
typename T,
std::size_t N,
typename Type
>
struct default_array_rebind_type<Array<T, N>, Type> {
public:
typedef Array<Type, N> type;
};
template<typename Container, typename = void>
struct inherit_default_rebind_size {};
template<typename Container>
@ -46,11 +59,26 @@ namespace sprout {
: public sprout::detail::default_array_rebind_size<Container, Size>
{};
};
template<typename Container, typename = void>
struct inherit_default_rebind_type {};
template<typename Container>
struct inherit_default_rebind_type<
Container,
typename std::enable_if<sprout::detail::is_array_like<Container>::value>::type
> {
public:
template<typename Type>
struct rebind_type
: public sprout::detail::default_array_rebind_type<Container, Type>
{};
};
} // namespace detail
template<typename Container>
struct container_transform_traits
: public sprout::detail::inherit_default_rebind_size<Container>
, public sprout::detail::inherit_default_rebind_type<Container>
{};
template<typename Container>
struct container_transform_traits<Container const> {
@ -59,6 +87,10 @@ namespace sprout {
struct rebind_size {
typedef typename sprout::container_transform_traits<Container>::template rebind_size<Size>::type const type;
};
template<typename Type>
struct rebind_type {
typedef typename sprout::container_transform_traits<Container>::template rebind_type<Type>::type const type;
};
};
template<typename T, std::size_t N>
@ -69,6 +101,11 @@ namespace sprout {
public:
typedef T type[Size];
};
template<typename Type>
struct rebind_type {
public:
typedef Type type[N];
};
};
template<typename T, std::size_t N>
struct container_transform_traits<T const[N]> {
@ -78,6 +115,11 @@ namespace sprout {
public:
typedef T const type[Size];
};
template<typename Type>
struct rebind_type {
public:
typedef Type type[N];
};
};
} // namespace sprout