fn match_assert_with_message<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option<AssertKind> {
if_chain! {
if let ExprKind::If(ref cond, ref then, _) = expr.kind;
- if let ExprKind::Unary(UnOp::UnNot, ref expr) = cond.kind;
+ if let ExprKind::Unary(UnOp::Not, ref expr) = cond.kind;
// bind the first argument of the `assert!` macro
if let Some((Constant::Bool(is_true), _)) = constant(cx, cx.typeck_results(), expr);
// block