def str_at
import cswap-bend-cli@0.1.0.0/rpcmsg.bend as Rpcmsgimport Base
import cswap-bend-cli@0.1.0.0/json.bend as Json
208def str_at(+j: Json.Json, +k: String) -> String:
209 Maybe.default(&2, String, Json.as_string(or_null(Json.get(k, j))), "")