def meta_of

bendonnect-rpc@0.1.0.0 · src/error.bend:441

import Base
import bend-kit-json@0.6.1.1/json.bend as Json

441def meta_of(m: Maybe<&1, Json.Val>) -> Maybe<&2, Map<&2, List<&2, String>>>:
442  match m:
443    case None{}:
444      Some{Map.new(&2, List<&2, String>)}
445    case Some{v}:
446      meta_val(v)