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rewrite sprout::algorithm::join performance

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bolero-MURAKAMI 2012-05-22 01:06:13 +09:00
parent 0ceabb5b9b
commit 1ea9d30e2a
145 changed files with 1359 additions and 364 deletions
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143
sprout/iterator/traits.hpp Normal file
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#ifndef SPROUT_ITERATOR_TRAITS_HPP
#define SPROUT_ITERATOR_TRAITS_HPP
#include <iterator>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/has_xxx.hpp>
namespace sprout {
namespace detail {
// has_iterator_category
SPROUT_HAS_XXX_TYPE_DEF_LAZY(iterator_category);
} // namespace detail
//
// is_iterator
//
template<typename Iterator>
struct is_iterator
: sprout::detail::has_iterator_category<std::iterator_traits<Iterator> >
{};
namespace detail {
template<typename Iterator, typename = void>
struct is_input_iterator_impl
: std::false_type
{};
template<typename Iterator>
struct is_input_iterator_impl<
Iterator,
typename std::enable_if<sprout::is_iterator<Iterator>::value>::type
>
: std::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category,
std::input_iterator_tag
>
{};
} // namespace detail
//
// is_input_iterator
//
template<typename Iterator>
struct is_input_iterator
: sprout::detail::is_input_iterator_impl<Iterator>
{};
namespace detail {
template<typename Iterator, typename = void>
struct is_output_iterator_impl
: std::false_type
{};
template<typename Iterator>
struct is_output_iterator_impl<
Iterator,
typename std::enable_if<sprout::is_iterator<Iterator>::value>::type
>
: std::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category,
std::output_iterator_tag
>
{};
} // namespace detail
//
// is_output_iterator
//
template<typename Iterator>
struct is_output_iterator
: sprout::detail::is_output_iterator_impl<Iterator>
{};
namespace detail {
template<typename Iterator, typename = void>
struct is_forward_iterator_impl
: std::false_type
{};
template<typename Iterator>
struct is_forward_iterator_impl<
Iterator,
typename std::enable_if<sprout::is_iterator<Iterator>::value>::type
>
: std::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category,
std::forward_iterator_tag
>
{};
} // namespace detail
//
// is_forward_iterator
//
template<typename Iterator>
struct is_forward_iterator
: sprout::detail::is_forward_iterator_impl<Iterator>
{};
namespace detail {
template<typename Iterator, typename = void>
struct is_bidirectional_iterator_impl
: std::false_type
{};
template<typename Iterator>
struct is_bidirectional_iterator_impl<
Iterator,
typename std::enable_if<sprout::is_iterator<Iterator>::value>::type
>
: std::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category,
std::bidirectional_iterator_tag
>
{};
} // namespace detail
//
// is_bidirectional_iterator
//
template<typename Iterator>
struct is_bidirectional_iterator
: sprout::detail::is_bidirectional_iterator_impl<Iterator>
{};
namespace detail {
template<typename Iterator, typename = void>
struct is_random_access_iterator_impl
: std::false_type
{};
template<typename Iterator>
struct is_random_access_iterator_impl<
Iterator,
typename std::enable_if<sprout::is_iterator<Iterator>::value>::type
>
: std::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category,
std::random_access_iterator_tag
>
{};
} // namespace detail
//
// is_random_access_iterator
//
template<typename Iterator>
struct is_random_access_iterator
: sprout::detail::is_random_access_iterator_impl<Iterator>
{};
} // namespace sprout
#endif // #ifndef SPROUT_ITERATOR_TRAITS_HPP