fn f() {
static move |a: bool| -> bool { true };
async |a: bool| { true };
let add = |x, y| x + y
trees.sort_by(|a, b| {
if a.path.starts_with("self") {
Ordering::Less
} else if b.path.starts_with("self") {
Ordering::Greater
} else {
a.path.cmp(&b.path)
}
});
}