Add test where container is passed to a function

2023-03-06 22:19:34 +00:00 · 2023-03-06 22:19:34 +00:00 · 4ee65535a7
commit 4ee65535a7
parent 85ad8a6fdc
1 changed files with 10 additions and 0 deletions
--- a/tests/ui/collection_is_never_read.rs
+++ b/tests/ui/collection_is_never_read.rs
@ -153,3 +153,13 @@ fn method_without_side_effect(&self) {}
    let y = vec![1, 2, 3]; // Ok (false negative)
    y.method_without_side_effect();
 }
+
+fn function_argument() {
+    #[allow(clippy::ptr_arg)]
+    fn foo<T>(v: &Vec<T>) -> usize {
+        v.len()
+    }
+
+    let x = vec![1, 2, 3]; // Ok
+    foo(&x);
+}