#![rustfmt::skip]
#![deny(clippy::unused_unit)]
+#![allow(dead_code)]
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) ->
- ()
+ 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
}
}
+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 => ()
+ }
+}