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sprout/utility/enabler_if.hpp 追加

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bolero-MURAKAMI 2012-01-12 14:11:46 +09:00
parent e11da4400b
commit 86073fea83
3 changed files with 31 additions and 23 deletions
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23
sprout/utility/enabler_if.hpp Normal file
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#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
#endif // #ifndef SPROUT_UTILITY_ENABLER_IF_HPP