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fix tuple_element: support SFINAE-friendly

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bolero-MURAKAMI 2014-05-29 00:25:37 +09:00
parent f42e92b448
commit c15de6136b
64 changed files with 984 additions and 113 deletions
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8
sprout/index_tuple/tuple.hpp
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@ -32,11 +32,9 @@ namespace std {
// tuple_element
//
template<std::size_t I, typename T, T... Is>
struct tuple_element<I, sprout::integer_sequence<T, Is...> > {
static_assert(I < sizeof...(Is), "tuple_element<>: index out of range");
public:
typedef typename sprout::pack_element_c<I, T, Is...>::type type;
};
struct tuple_element<I, sprout::integer_sequence<T, Is...> >
: public sprout::pack_element_c<I, T, Is...>
{};
#if !(SPROUT_USE_TEMPLATE_ALIASES && !defined(SPROUT_WORKAROUND_NO_TEMPLATE_ARGUMENT_DEDUCTION_WITH_ALIASES))
//