use clippy_utils::consts::{constant, Constant};
use clippy_utils::diagnostics::span_lint_and_help;
+use clippy_utils::higher;
use clippy_utils::source::snippet_opt;
use clippy_utils::{is_direct_expn_of, is_expn_of, match_panic_call};
use if_chain::if_chain;
/// where `message` is any expression and `c` is a constant bool.
fn match_assert_with_message<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option<AssertKind> {
if_chain! {
- if let ExprKind::If(cond, then, _) = expr.kind;
+ if let Some(higher::If { cond, then, .. }) = higher::If::hir(expr);
if let ExprKind::Unary(UnOp::Not, expr) = cond.kind;
// bind the first argument of the `assert!` macro
if let Some((Constant::Bool(is_true), _)) = constant(cx, cx.typeck_results(), expr);