var candidates = ListOfTransitions.init();

      var last: *ListOfTransitions.Node = undefined;
      var first = false;
      for (transitions) |t| {
        if(std.mem.eql(u8, t.from, ev.name)) {
          var node = try candidates.createNode(t, allocator);

          if(first) {
            candidates.insertAfter(last, node);
          } else {
            candidates.prepend(node);
            first = true;
            last = node;
          }
        }
      }

      var it = candidates.first;
      while (it) |node| : (it = node.next) {
        candidates.destroyNode(node, allocator);
      }