Gem::StreamUI#choose_from_list

# File tmp/rubies/ruby-4.0.0/lib/rubygems/user_interaction.rb, line 222
def choose_from_list(question, list)
  @outs.puts question

  list.each_with_index do |item, index|
    @outs.puts " #{index + 1}. #{item}"
  end

  @outs.print "> "
  @outs.flush

  result = @ins.gets

  return nil, nil unless result

  result = result.strip.to_i - 1
  return nil, nil unless (0...list.size) === result
  [list[result], result]
end