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add identity

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bolero-MURAKAMI 2013-03-21 22:11:40 +09:00
parent 2cb55b6b6c
commit a2b368a7cc
11 changed files with 85 additions and 63 deletions
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5
sprout/array/make_array.hpp
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@ -7,6 +7,7 @@
#include <sprout/index_tuple.hpp>
#include <sprout/array/array.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/type_traits/common_decay.hpp>
namespace sprout {
//
@ -23,12 +24,12 @@ namespace sprout {
//
template<typename... Types>
inline SPROUT_CONSTEXPR sprout::array<
typename std::decay<typename std::common_type<typename std::decay<Types>::type...>::type>::type,
typename sprout::common_decay<typename std::decay<Types>::type...>::type,
sizeof...(Types)
>
make_common_array(Types&&... args) {
typedef sprout::array<
typename std::decay<typename std::common_type<typename std::decay<Types>::type...>::type>::type,
typename sprout::common_decay<typename std::decay<Types>::type...>::type,
sizeof...(Types)
> type;
return type{{sprout::forward<Types>(args)...}};