◆ operator-()

template<typename Derived, typename Value, typename System, typename Traversal, typename Reference, typename Difference = std::ptrdiff_t>
__host__ __device__ Derived thrust::iterator_facade< Derived, Value, System, Traversal, Reference, Difference >::operator- ( difference_type  n) const

operator- subtracts a given quantity from this iterator_facade and returns a new iterator_facade referring to the element at the given position before this iterator_facade.

nThe quantity to decrement
An iterator_facade pointing n elements before this iterator_facade.

References thrust::equal(), thrust::operator!=(), thrust::operator+(), thrust::operator-(), thrust::operator==(), thrust::operator>(), and thrust::operator>=().