The assumption in Bagel is that pretty much all looping-like behaviors in a function context will be covered by iterators with chained methods; I’m borrowing (heh) heavily from Rust here (which doesn’t have pure-only contexts, but heavily encourages and supports doing things as expressions). A for-loop is a range, a for-each would just be iterating over an array, building up a single value would be a reduce, etc. There are some more gaps I still need to fill, but it should work pretty nicely for most cases.

Though of course, recursion is always still available as a fallback/preference