Function tarantool_rust_module::box_tuple_position

pub unsafe extern "C" fn box_tuple_position(it: *mut BoxTupleIterator) -> u32

Return zero-based next position in iterator. That is, this function return the field id of field that will be returned by the next call to box_tuple_next(it). Returned value is zero after initialization or rewind and box_tuple_field_count(tuple) after the end of iteration.

\param it tuple iterator \returns position.