From 9ab6146afea0119afb1a06afef5fbed5a3efe422 Mon Sep 17 00:00:00 2001
From: tabokie <xy.tao@outlook.com>
Date: Tue, 2 Aug 2022 11:37:44 +0800
Subject: [PATCH] simplify unit type check
Signed-off-by: tabokie <xy.tao@outlook.com>
---
clippy_lints/src/map_unit_fn.rs | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/clippy_lints/src/map_unit_fn.rs b/clippy_lints/src/map_unit_fn.rs
index af9d948af00..6db852c3ffe 100644
--- a/clippy_lints/src/map_unit_fn.rs
+++ b/clippy_lints/src/map_unit_fn.rs
@@ -97,11 +97,7 @@ declare_clippy_lint! {
declare_lint_pass!(MapUnit => [OPTION_MAP_UNIT_FN, RESULT_MAP_UNIT_FN]);
fn is_unit_type(ty: Ty<'_>) -> bool {
- match ty.kind() {
- ty::Tuple(slice) => slice.is_empty(),
- ty::Never => true,
- _ => false,
- }
+ ty.is_unit() || ty.is_never()
}
fn is_unit_function(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool {