Update clippy_lints/src/large_futures.rs

Co-authored-by: Fridtjof Stoldt <[email protected]>

Author: csmoe

clippy_lints/src/large_futures.rs

@@ -60,17 +60,15 @@ impl_lint_pass!(LargeFuture => [LARGE_FUTURES]);
 impl<'tcx> LateLintPass<'tcx> for LargeFuture {
     fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) {
         if let ExprKind::Match(expr, _, MatchSource::AwaitDesugar) = expr.kind {
-            if let ExprKind::Call(func, [expr, ..]) = expr.kind {
-                if matches!(
-                    func.kind,
-                    ExprKind::Path(QPath::LangItem(LangItem::IntoFutureIntoFuture, ..))
-                ) {
-                    let ty = cx.typeck_results().expr_ty(expr);
-                    if let Some(future_trait_def_id) = cx.tcx.lang_items().future_trait()
-                        && implements_trait(cx, ty, future_trait_def_id, &[]) {
-                            if let Ok(layout) = cx.tcx.layout_of(cx.param_env.and(ty)) {
-                                let size = layout.layout.size();
-                                if size >= Size::from_bytes(self.future_size_threshold) {
+            if let ExprKind::Call(func, [expr, ..]) = expr.kind
+                && let ExprKind::Path(QPath::LangItem(LangItem::IntoFutureIntoFuture, ..)) = func.kind
+                && let ty = cx.typeck_results().expr_ty(expr)
+                && let Some(future_trait_def_id) = cx.tcx.lang_items().future_trait()
+                && implements_trait(cx, ty, future_trait_def_id, &[])
+                && let Ok(layout) = cx.tcx.layout_of(cx.param_env.and(ty))
+                && let size = layout.layout.size()
+                && size >= Size::from_bytes(self.future_size_threshold)
+            {
                                     span_lint_and_sugg(
                                         cx,
                                         LARGE_FUTURES,