16 lines
342 B
Rust
16 lines
342 B
Rust
#![allow(warnings)]
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#![feature(nll)]
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use std::collections::BinaryHeap;
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fn main() {
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let mut heap: BinaryHeap<i32> = BinaryHeap::new();
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let borrow = heap.peek_mut();
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match (borrow, ()) {
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(Some(_), ()) => {
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println!("{:?}", heap); //~ ERROR cannot borrow `heap` as immutable
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}
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_ => {}
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};
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}
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