def is_unique
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
58# Check whether unique holds for the sorted-run operations.
59def is_unique(entries: List<&2, MemTable.Entry>) -> Bool:
60 match entries:
61 case Nil{}:
62 True{}
63 case Con{+h, +t}:
64 bool_and(bool_not(contains_key(h, t)), is_unique(t))