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add type_traits/aliases.hpp

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bolero-MURAKAMI 2012-05-26 19:19:08 +09:00
parent dacba801a6
commit eaea3771fc
8 changed files with 153 additions and 36 deletions
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18
sprout/utility/enabler_if.hpp
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@ -1,23 +1,7 @@
#ifndef SPROUT_UTILITY_ENABLER_IF_HPP
#define SPROUT_UTILITY_ENABLER_IF_HPP
#include <type_traits>
#include <sprout/config.hpp>
namespace sprout {
//
// enabler_t
// enabler
//
typedef void* enabler_t;
extern enabler_t enabler;
//
// enabler_if
//
template<bool C>
class enabler_if
: public std::enable_if<C, enabler_t&>
{};
} // namespace sprout
#include <sprout/type_traits/enabler_if.hpp>
#endif // #ifndef SPROUT_UTILITY_ENABLER_IF_HPP