rust/src/test/ui/issues/issue-47646.rs
2019-05-12 18:46:43 +01:00

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
}
_ => {}
};
}