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Diffstat (limited to 'deps/tao_tuple/28626e99/include/tao/seq/is_all.hpp')
-rw-r--r-- | deps/tao_tuple/28626e99/include/tao/seq/is_all.hpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/deps/tao_tuple/28626e99/include/tao/seq/is_all.hpp b/deps/tao_tuple/28626e99/include/tao/seq/is_all.hpp new file mode 100644 index 0000000000..5707058755 --- /dev/null +++ b/deps/tao_tuple/28626e99/include/tao/seq/is_all.hpp @@ -0,0 +1,35 @@ +// The Art of C++ / Sequences +// Copyright (c) 2015 Daniel Frey + +#ifndef TAOCPP_SEQUENCES_INCLUDE_IS_ALL_HPP +#define TAOCPP_SEQUENCES_INCLUDE_IS_ALL_HPP + +#include "config.hpp" + +#ifndef TAOCPP_FOLD_EXPRESSIONS +#include "integer_sequence.hpp" +#endif + +#include <type_traits> + +namespace tao +{ + namespace seq + { + +#ifdef TAOCPP_FOLD_EXPRESSIONS + + template< bool... Bs > + using is_all = std::integral_constant< bool, ( Bs && ... ) >; + +#else + + template< bool... Bs > + using is_all = std::integral_constant< bool, std::is_same< integer_sequence< bool, true, Bs... >, integer_sequence< bool, Bs..., true > >::value >; + +#endif + + } +} + +#endif // TAOCPP_SEQUENCES_INCLUDE_IS_ALL_HPP |