how would I write a selector that stops further navigation if the value it points to matches a predicate?

probably something with if-path, let's see

@luxbock: try not-selected?

@nathanmarz: thanks, yeah I think that would have solved my toy example, but I ended up writing a custom function for what I'm attempting to do

https://gist.github.com/luxbock/fda8f2ee4e642903d532d1b34db902e5

maybe it's possible to do it with specter as well