Cli.choice_reason: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 2050-2057 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=2050&end_line=2057

import Base

def choice_reason(found: Maybe<&2, List<&2, String>>,
    value: String) -> Maybe<&2, String>:
  match found:
    case None{}: None{}
    case Some{+values}:
      Bool.pick(Maybe<&2, String>,
        List.contains(~String, ~String.eq, values, value),
        None{}, Some{choices_reason(values)})

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.contains
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=choices_reason