There should be a control flow construct in programming languages that can handle tree-like traversal in a nice way, similar to how for/foreach loops can handle linear traversal. It's a bit of a missing gap in the current set of control flow constructs most languages these days have settled on. Its a thing I end up having to do *all the time* and it seems like there should be some shortcuts for it.I posted a thought about this recently and was thinking about how I would want something like that ...