#![rustfmt::skip]
#![deny(clippy::unused_unit)]
+#![allow(dead_code)]
+#![allow(clippy::from_over_into)]
struct Unitter;
impl Unitter {
- // try to disorient the lint with multiple unit returns and newlines
#[allow(clippy::no_effect)]
- pub fn get_unit<F: Fn() -> (), G>(&self, f: F, _g: G)
- where G: Fn() -> () {
- let _y: &dyn Fn() -> () = &f;
+ pub fn get_unit<F: Fn(), G>(&self, f: F, _g: G)
+ where G: Fn() {
+ let _y: &dyn Fn() = &f;
(); // this should not lint, as it's not in return type position
}
}
impl Into<()> for Unitter {
#[rustfmt::skip]
- fn into(self) {
+ fn into(self) {
}
}
-fn return_unit() { }
+trait Trait {
+ fn redundant<F: FnOnce(), G, H>(&self, _f: F, _g: G, _h: H)
+ where
+ G: FnMut(),
+ H: Fn();
+}
+
+impl Trait for Unitter {
+ fn redundant<F: FnOnce(), G, H>(&self, _f: F, _g: G, _h: H)
+ where
+ G: FnMut(),
+ H: Fn() {}
+}
+
+fn return_unit() { }
#[allow(clippy::needless_return)]
#[allow(clippy::never_loop)]
+#[allow(clippy::unit_cmp)]
fn main() {
let u = Unitter;
assert_eq!(u.get_unit(|| {}, return_unit), u.into());
}
return;
}
+
+// https://github.com/rust-lang/rust-clippy/issues/4076
+fn foo() {
+ macro_rules! foo {
+ (recv($r:expr) -> $res:pat => $body:expr) => {
+ $body
+ }
+ }
+
+ foo! {
+ recv(rx) -> _x => ()
+ }
+}
+
+#[rustfmt::skip]
+fn test(){}
+
+#[rustfmt::skip]
+fn test2(){}
+
+#[rustfmt::skip]
+fn test3(){}
+
+fn macro_expr() {
+ macro_rules! e {
+ () => (());
+ }
+ e!()
+}