• erwan's avatar
    Some work on trees · bbde28ec
    erwan authored
    - add sub_tree_size, parent, is_in_tree, is_out_tree
    - fix height (was only working for out-trees)
    - a predessors to Topology.t
    - refactor a lot of strange things in the code
      - in the use of hashtbl in particular
    bbde28ec