Cli.group_given: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 3955-3962 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=3955&end_line=3962

import Base

def group_given(items: List<&2, SpecItem>,
    +fields: List<&2, Field>, +name: String) -> Bool:
  match items:
    case Nil{}: False{}
    case SpecArg{ArgInfo{id, usage, short, long, kind, attrs}} <> tail:
      Bool.or(Bool.and(arg_in_group(attrs, name), field_given(fields, id)),
        group_given(tail, fields, name))
    case head <> tail: group_given(tail, fields, name)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=ArgInfo
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=Field
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=SpecItem
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=arg_in_group
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=field_given