needless-lifetime / pr remarks

[rust.git] / tests / ui / needless_lifetimes.rs

diff --git a/tests/ui/needless_lifetimes.rs b/tests/ui/needless_lifetimes.rs
index 548c5929c6120d464380da6034bb1b000454191b..d482d466e44990df8f0fdcb19d4d4f6fbafc0bbf 100644 (file)
--- a/tests/ui/needless_lifetimes.rs
+++ b/tests/ui/needless_lifetimes.rs
@@ -336,9 +336,25 @@ fn pointer_fn_in_output_position<'a>(_: &'a i32) -> fn(&'a i32) -> &'a i32 {
         |i| i
     }
     // lint
-    fn pointer_fn_elidable<'a>(f: fn(&i32) -> &i32, i: &'a i32) -> &'a i32 {
+    fn pointer_fn_elidable<'a>(i: &'a i32, f: fn(&i32) -> &i32) -> &'a i32 {
         f(i)
     }
+
+    // don't lint
+    fn nested_fn_pointer_1<'a>(_: &'a i32) -> fn(fn(&'a i32) -> &'a i32) -> i32 {
+        |f| 42
+    }
+    fn nested_fn_pointer_2<'a>(_: &'a i32) -> impl Fn(fn(&'a i32)) {
+        |f| ()
+    }
+
+    // lint
+    fn nested_fn_pointer_3<'a>(_: &'a i32) -> fn(fn(&i32) -> &i32) -> i32 {
+        |f| 42
+    }
+    fn nested_fn_pointer_4<'a>(_: &'a i32) -> impl Fn(fn(&i32)) {
+        |f| ()
+    }
 }
 
 fn main() {}