rust/tests/ui/closures/issue-81700-mut-borrow.rs

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fn foo(x: &mut u32) {
    let bar = || { foo(x); };
    bar(); //~ ERROR cannot borrow
}
fn main() {}
Fix panic when emitting diagnostic for closure mutable binding error Fixes #81700 The upvar borrow kind may be `ty::BorrowKind::UniqueImmBorrow`, which is still a mutable borrow for the purposes of this diagnostic code. 2021-02-03 17:33:27 +00:00			`fn foo(x: &mut u32) {`
			`let bar = \|\| { foo(x); };`
			`bar(); //~ ERROR cannot borrow`
			`}`
			`fn main() {}`