anchor.diff:    id: ID!
     name: String
     needsGradingCount: Int
  +
  +  # specifies that this assignment is only assigned to students for whom an
  +  #        `AssignmentOverride` applies.
  +  onlyVisibleToOverrides: Boolean
   
     # the assignment is out of this many points
     pointsPossible: Float
  
positive.code: type Assignment implements Node, Timestamped {
    # legacy canvas id
    _id: ID!
    course: Course
    createdAt: Time
    description: String
  
negative.code: 
      # Returns the last _n_ elements from the list.
      last: Int
  
      # only include users with the given ids
      userIds: [ID!]
    ): UserConnection
  }
  
  