11    std::vector<int>& start_indices,
 
   12    std::vector<int>& strides);
 
   16    const std::vector<size_t>& out_strides,
 
std::tuple< bool, int64_t, std::vector< int64_t > > prepare_slice(const array &in, std::vector< int > &start_indices, std::vector< int > &strides)
 
void shared_buffer_slice(const array &in, const std::vector< size_t > &out_strides, size_t data_offset, array &out)