mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-05 05:04:24 +00:00
14 lines
304 B
Rust
14 lines
304 B
Rust
|
use std::collections::BinaryHeap;
|
||
|
|
||
|
fn main() {
|
||
|
let mut heap: BinaryHeap<i32> = BinaryHeap::new();
|
||
|
let borrow = heap.peek_mut();
|
||
|
|
||
|
match (borrow, ()) {
|
||
|
(Some(_), ()) => {
|
||
|
println!("{:?}", heap); //~ ERROR cannot borrow `heap` as immutable
|
||
|
}
|
||
|
_ => {}
|
||
|
};
|
||
|
}
|