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suggest-slice-swap.rs
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// 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
()
{}