type.match_non_exhaustive

function describe(state: DeliveryState) -> Label {    return match state {        DeliveryState.pending -> "Pending"        DeliveryState.sent -> "Sent"    }}

error: This `match` doesn't cover `DeliveryState.failed` --> main.jadpo:2:12  |2 |     return match state {  |            ^^^^^^^^^^^ 1 case not matched  reason: A `match` on an enum lists every variant, so a variant added later is caught at every `match` that has to consider it; `_` isn't allowed on `DeliveryState`.  next: Add an arm for `DeliveryState.failed` (agent)  rule: type.match_non_exhaustive  help: https://jadpo.dev/docs/errors/type.match_non_exhaustivecheck failed: 1 error, 2 files