anchor.diff:            td.enroll-col
               if status !== 'enrolled'
                 button.enroll-student-button.btn.btn-navy(data-i18n="teacher.enroll_student", data-user-id=student.id, data-event-action="Teachers Class Enrollment Enroll Student")
  +
  +mixin studentProjectsTab
  +  p ...
  
positive.code:           li(class=(activeTab === "#enrollment-status-tab" ? 'active' : ''))
              a.course-progress-tab-btn(href='#enrollment-status-tab')
                .small-details.text-center(data-i18n='teacher.enrollment_status')
            .tab-filler
  
          .tab-content
  
negative.code:             +studentsTab
            else if activeTab === '#course-progress-tab'
              +courseProgressTab
            else if activeTab === '#enrollment-status-tab'
              +enrollmentStatusTab
            else
              +studentProjectsTab
  
        else
          .text-center.m-t-5.m-b-5
  