use split_async::split;
fn part1_v1(x: usize) -> usize {
x + 1
}
fn part1_v2(x: usize) -> usize {
x + 2
}
#[split(foo, bar)]
async fn part2(x: usize) {
x + 3
}
#[split]
async fn func() {
let part1 = choose!(part1_v1, part1_v2);
let part2 = choose!(foo, bar);
let x = part2(part1(0).await).await;
}