• Give a value aHead and a bra-list aTail, compute the bra-list obtained when adding aHead as the head of aTail.

    Parameters

    • aHead: any

      a head for the bra-list

    • aTail: BraList<any>

      a tail for the bra-list

    Returns BraList<any>

    a bra-list with the aforementioned head and tail