def opt_str
import bendonnect-rpc@0.1.0.0/src/error.bend as Errorimport Base
import bend-kit-json@0.6.1.1/json.bend as Json
208def opt_str(m: Maybe<&1, Json.Val>) -> Maybe<&2, String>:
209 match m:
210 case None{}:
211 None{}
212 case Some{v}:
213 opt_str.val(v)