def last_key_go
import mylsm-lsm-store@0.6.0.1/src/SortedRun.bend as SortedRunimport Base
import mylsm-lsm-store@0.6.0.1/src/MemTable.bend as MemTable
149# Return the last key go in the sorted-run operations.
150def last_key_go(entries: List<&2, MemTable.Entry>, last: String) -> Maybe<&2, String>:
151 match entries:
152 case Nil{}:
153 Some{last}
154 case Con{MemTable.Entry{key, val}, t}:
155 last_key_go(t, key)