! cue vet -l 'strings.ToLower(kind)' -l name services.jsonl services.cue
cmp stderr expect-stderr
-- expect-stderr --
deployment.Booster.name: invalid value "Booster" (out of bound !~"^[A-Z]"):
    ./services.cue:1:29
service."Supplement\nfoo".name: invalid value "Supplement\nfoo" (out of bound !~"^[A-Z]"):
    ./services.cue:2:26
-- services.cue --
deployment: [string]: name: !~"^[A-Z]"
service: [string]: name: !~"^[A-Z]"

-- services.jsonl --
{
    "kind": "Service",
    "name": "booster"
}
{
    "kind": "Deployment",
    "name": "Booster",
    "replicas": 1
}
{
    "kind": "Service",
    "name": "Supplement\nfoo"
}