tuple_size

template<class T>
using thrust::tuple_size = ::cuda::std::tuple_size<T>

This convenience metafunction is included for compatibility with tuple. It returns 2, the number of elements of a pair, in its nested data member, value.

This metafunction returns the number of elements of a tuple type of interest.

See also

pair

See also

tuple

Template Parameters:

• Pair – A pair type of interest.

• T – A tuple type of interest.