New upstream version 1.52.1+dfsg1

[rustc.git] / src / tools / clippy / tests / ui / issue_4266.rs

diff --git a/src/tools/clippy/tests/ui/issue_4266.rs b/src/tools/clippy/tests/ui/issue_4266.rs
new file mode 100644 (file)
index 0000000..8a9d5a3
--- /dev/null
+++ b/src/tools/clippy/tests/ui/issue_4266.rs
@@ -0,0 +1,37 @@
+// edition:2018
+#![allow(dead_code)]
+
+async fn sink1<'a>(_: &'a str) {} // lint
+async fn sink1_elided(_: &str) {} // ok
+
+// lint
+async fn one_to_one<'a>(s: &'a str) -> &'a str {
+    s
+}
+
+// ok
+async fn one_to_one_elided(s: &str) -> &str {
+    s
+}
+
+// ok
+async fn all_to_one<'a>(a: &'a str, _b: &'a str) -> &'a str {
+    a
+}
+
+// async fn unrelated(_: &str, _: &str) {} // Not allowed in async fn
+
+// #3988
+struct Foo;
+impl Foo {
+    // ok
+    pub async fn foo(&mut self) {}
+}
+
+// rust-lang/rust#61115
+// ok
+async fn print(s: &str) {
+    println!("{}", s);
+}
+
+fn main() {}