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fix index_tuple implementation: template aliases (if compiler supported)

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bolero-MURAKAMI 2013-05-10 21:53:53 +09:00
parent bb36ef6e8b
commit 3ff1ffb4d9
8 changed files with 78 additions and 21 deletions
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18
sprout/index_tuple/index_tuple.hpp
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@ -1,16 +1,22 @@
#ifndef SPROUT_INDEX_TUPLE_INDEX_TUPLE_HPP
#define SPROUT_INDEX_TUPLE_INDEX_TUPLE_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/index_tuple/index_t.hpp>
#include <sprout/index_tuple/integer_sequence.hpp>
namespace sprout {
//
// index_t
// index_tuple
// uindex_tuple
//
typedef std::ptrdiff_t index_t;
#if SPROUT_USE_TEMPLATE_ALIASES
template<sprout::index_t... Indexes>
using index_tuple = sprout::integer_sequence<sprout::index_t, Indexes...>;
template<sprout::uindex_t... Indexes>
using uindex_tuple = sprout::integer_sequence<sprout::uindex_t, Indexes...>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<sprout::index_t... Indexes>
struct index_tuple
: public sprout::integer_sequence<sprout::index_t, Indexes...>
@ -23,11 +29,6 @@ namespace sprout {
{};
};
//
// uindex_t
// uindex_tuple
//
typedef std::size_t uindex_t;
template<sprout::uindex_t... Indexes>
struct uindex_tuple
: public sprout::integer_sequence<sprout::uindex_t, Indexes...>
@ -39,6 +40,7 @@ namespace sprout {
: public uindex_tuple<J...>
{};
};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_INDEX_TUPLE_HPP