rust-clippy/tests/ui/unit_arg.fixed

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// run-rustfix
#![warn(clippy::unit_arg)]
#![allow(clippy::no_effect, unused_must_use)]
use std::fmt::Debug;
fn foo<T: Debug>(t: T) {
println!("{:?}", t);
}
fn foo3<T1: Debug, T2: Debug, T3: Debug>(t1: T1, t2: T2, t3: T3) {
println!("{:?}, {:?}, {:?}", t1, t2, t3);
}
struct Bar;
impl Bar {
fn bar<T: Debug>(&self, t: T) {
println!("{:?}", t);
}
}
fn bad() {
foo(());
foo(());
foo(());
foo(());
foo3((), 2, 2);
let b = Bar;
b.bar(());
}
fn ok() {
foo(());
foo(1);
foo({ 1 });
foo3("a", 3, vec![3]);
let b = Bar;
b.bar({ 1 });
b.bar(());
question_mark();
}
fn question_mark() -> Result<(), ()> {
Ok(Ok(())?)?;
Ok(Ok(()))??;
Ok(())
}
#[allow(dead_code)]
mod issue_2945 {
fn unit_fn() -> Result<(), i32> {
Ok(())
}
fn fallible() -> Result<(), i32> {
Ok(unit_fn()?)
}
}
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fn main() {
bad();
ok();
}