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add container_transform_traits specialization

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bolero-MURAKAMI 2016-04-03 16:08:09 +09:00
parent 0abea1678c
commit b4da8f5776
5 changed files with 43 additions and 0 deletions
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13
sprout/optional/container.hpp
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@ -38,6 +38,19 @@ namespace sprout {
return copied_type(SPROUT_FORWARD(Args, args)...);
}
};
//
// container_transform_traits
//
template<typename T>
struct container_transform_traits<sprout::optional<T> > {
public:
template<typename Type>
struct rebind_type {
public:
typedef sprout::optional<Type> type;
};
};
} // namespace sprout
#endif // #ifndef SPROUT_OPTIONAL_CONTAINER_HPP