rust/tests/ui/suggestions/suggest-slice-swap.rs

10 lines
203 B
Rust

// run-rustfix
#![allow(dead_code)]
fn swap(arr: &mut [u32; 2]) {
std::mem::swap(&mut arr[0], &mut arr[1]);
//~^ ERROR cannot borrow `arr[_]` as mutable more than once at a time
}
fn main() {}