- grouped_assignments = assignments.group_by(&:description)
- grouped_assignments.each do |description, assignments|
  - if description.present?
    %h5{ id: [*id, description] }
      = "#{description.capitalize} (#{assignments.count})"

  %ul
    - assignments.each do |assignment|
      %li= link_to "@#{assignment.username}", "https://gitlab.com/#{assignment.username}"