def missing_group
import cli@0.2.0.0/cli.bend as Cliimport Base
3982def missing_group(+items: List<&2, SpecItem>,
3983 fields: List<&2, Field>, +name: String) -> List<&2, String>:
3984 Bool.pick(List<&2, String>,
3985 group_given(items, fields, name), [],
3986 [spec_group_display(items, name)])