tlx
is_std_tuple.hpp
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1 /*******************************************************************************
2  * tlx/meta/is_std_tuple.hpp
3  *
4  * Part of tlx - http://panthema.net/tlx
5  *
6  * Copyright (C) 2016-2017 Timo Bingmann <tb@panthema.net>
7  *
8  * All rights reserved. Published under the Boost Software License, Version 1.0
9  ******************************************************************************/
10 
11 #ifndef TLX_META_IS_STD_TUPLE_HEADER
12 #define TLX_META_IS_STD_TUPLE_HEADER
13 
14 #include <tuple>
15 
16 namespace tlx {
17 
18 //! \addtogroup tlx_meta
19 //! \{
20 
21 //! test if is a std::tuple<...>
22 template <typename T>
23 struct is_std_tuple : public std::false_type { };
24 
25 template <typename... Ts>
26 struct is_std_tuple<std::tuple<Ts...> >: public std::true_type { };
27 
28 //! \}
29 
30 } // namespace tlx
31 
32 #endif // !TLX_META_IS_STD_TUPLE_HEADER
33 
34 /******************************************************************************/
STL namespace.
test if is a std::tuple<...>