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algorithm を next/prev で再実装

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bolero-MURAKAMI 2011-10-02 00:19:13 +09:00
parent 6fe7e88509
commit 628d1caa7e
50 changed files with 310 additions and 189 deletions
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7
sprout/detail/iterator.hpp
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@ -3,6 +3,7 @@
#include <iterator>
#include <sprout/config.hpp>
#include <sprout/iterator/operation.hpp>
namespace sprout {
namespace detail {
@ -15,7 +16,7 @@ namespace sprout {
Iterator last
)
{
return first == last ? 0 : 1 + sprout::detail::distance(first + 1, last);
return first == last ? 0 : 1 + sprout::detail::distance(sprout::next(first), last);
}
template<typename Iterator>
@ -30,7 +31,7 @@ namespace sprout {
? current
: first2 == last
? -current
: sprout::detail::bidirectional_distance_impl(first1 + 1, first2 - 1, last, current + 1)
: sprout::detail::bidirectional_distance_impl(sprout::next(first1), sprout::prev(first2), last, current + 1)
;
}
//
@ -42,7 +43,7 @@ namespace sprout {
Iterator last
)
{
return first == last ? 0 : sprout::detail::bidirectional_distance_impl(first + 1, first - 1, last);
return first == last ? 0 : sprout::detail::bidirectional_distance_impl(sprout::next(first), sprout::prev(first), last);
}
} // namespace detail
} // namespace sprout