1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
//~ ERROR overflow evaluating the requirement `for<'a> {closure@$DIR/overflow-during-mono.rs:14:41: 14:44}: FnMut(&'a _)`
//@ build-fail
//@ compile-flags: -Zwrite-long-types-to-disk=yes
#![recursion_limit = "32"]
fn quicksort<It: Clone + Iterator<Item = T>, I: IntoIterator<IntoIter = It>, T: Ord>(
i: I,
) -> Vec<T> {
let mut i = i.into_iter();
match i.next() {
Some(x) => {
let less = i.clone().filter(|y| y < &x);
let greater = i.filter(|y| &x <= y);
let mut v = quicksort(less);
let u = quicksort(greater);
v.push(x);
v.extend(u);
v
}
None => vec![],
}
}
fn main() {
println!("{:?}", quicksort([5i32, 1, 6, 3, 6, 1, 9, 0, -1, 6, 8]));
}
|
