def Utf8.encode_set_mutation
import mylsm-lsm-store@0.6.0.1/mylsm.bend as Mylsmimport Base
1956def Utf8.encode_set_mutation(
1957 +key: String,
1958 +value: String,
1959 tail: Result<&1, &1, Utf8.Error, List<&1, Bytes.Mutation>>
1960) -> Result<&1, &1, Utf8.Error, List<&1, Bytes.Mutation>>:
1961 Utf8.set_mutations_result(
1962 Utf8.set_mutation_result(Utf8.encode(key), Some{Utf8.encode(value)}), tail)