use crate::utils::SpanlessEq;
-use crate::utils::{get_item_name, higher, is_type_diagnostic_item, match_type, paths, snippet, snippet_opt};
+use crate::utils::{get_item_name, is_type_diagnostic_item, match_type, paths, snippet, snippet_opt};
use crate::utils::{snippet_with_applicability, span_lint_and_then};
use if_chain::if_chain;
use rustc_errors::Applicability;
impl<'tcx> LateLintPass<'tcx> for HashMapPass {
fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
- if let Some((ref check, ref then_block, ref else_block)) = higher::if_block(&expr) {
- if let ExprKind::Unary(UnOp::UnNot, ref check) = check.kind {
+ if let ExprKind::If(ref check, ref then_block, ref else_block) = expr.kind {
+ if let ExprKind::Unary(UnOp::Not, ref check) = check.kind {
if let Some((ty, map, key)) = check_cond(cx, check) {
// in case of `if !m.contains_key(&k) { m.insert(k, v); }`
// we can give a better error message