Table Of Contents

std::tuple_size
- Interface
- Return type
- Value
- Examples
- Header

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std::tuple_size¶

Interface¶

namespace std {
  template<typename T, std::size_t N>
  struct tuple_size<sprout::array<T, N> >;
}

// syntax
std::tuple_size<array<T, N> >::value

Return type¶

integral constant expression.

Value¶

N.

Examples¶

#include <sprout/array.hpp>
using namespace sprout;

using type = array<int, 10>;
SPROUT_STATIC_CONSTEXPR auto n = std::tuple_size<type>::value;
static_assert(n == 10, "tuple size of array is 10.");