continuation

In #193 we hid these so as not to annoy anyone. We should track them down and see if we cannot avoid them outright, and if not, why that is.

We have high-level functions defined in Seq, Map, Set, ... etc.

In 90%. it's quite simple translations, so (after looking on Iterable) can be a good starting point for contribution.

In that regard, the crate currently only supports:

#[with]
let ... = <call>?...?

as well as:

#[with]
let ... = match <call> { ... }
// rest *after* match (same scope)

which unsugar(s) to:

with_<call>(..., |__anon__| {
    let ... = match __anon__ { ... };
    // rest *after* match (same scope)
})

But it would be really nice i