def find_as
import cli@0.2.0.0/cli.bend as Cliimport Base
2017def find_as(attrs: List<&2, Item>) -> Maybe<&2, ValueType>:
2018 match attrs:
2019 case Nil{}: None{}
2020 case As{kind} <> tail: Some{kind}
2021 case head <> tail: find_as(tail)