Chasen’s Swift Blog

Day 65 and this sort of thing still gets me:

We can then call that whenever our selectedItem property changes, by attaching an onChange() modifier somewhere in ContentView – it really doesn’t matter where, but attaching it to the PhotosPicker would seem sensible.

We covered modifiers and building our own much earlier in the course, but I still don’t have a good mental model for how/why you can put some of them anywhere and they’ll work. #100DaysOfSwiftUI