Function tarantool_rust_module::box_tuple_next [−] [src]

pub unsafe extern "C" fn box_tuple_next(
    it: *mut BoxTupleIterator
) -> *const c_char

Return the next tuple field from tuple iterator. The returned buffer is valid until next call to box_tuple_* API.

\param it tuple iterator. \retval NULL if there are no more fields. \retval MsgPack otherwise \pre box_tuple_position(it) is zerod-based id of returned field \post box_tuple_position(it) == box_tuple_field_count(tuple) if returned value is NULL.