rust/tests/ui/dbg_macro.rs

87 lines
1.3 KiB
Rust

#![warn(clippy::dbg_macro)]
fn foo(n: u32) -> u32 {
if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
}
fn bar(_: ()) {}
fn factorial(n: u32) -> u32 {
if dbg!(n <= 1) {
dbg!(1)
} else {
dbg!(n * factorial(n - 1))
}
}
fn main() {
dbg!(42);
dbg!(dbg!(dbg!(42)));
foo(3) + dbg!(factorial(4));
dbg!(1, 2, dbg!(3, 4));
dbg!(1, 2, 3, 4, 5);
}
fn issue9914() {
macro_rules! foo {
($x:expr) => {
$x;
};
}
macro_rules! foo2 {
($x:expr) => {
$x;
};
}
macro_rules! expand_to_dbg {
() => {
dbg!();
};
}
dbg!();
#[allow(clippy::let_unit_value)]
let _ = dbg!();
bar(dbg!());
foo!(dbg!());
foo2!(foo!(dbg!()));
expand_to_dbg!();
}
mod issue7274 {
trait Thing<'b> {
fn foo(&self);
}
macro_rules! define_thing {
($thing:ident, $body:expr) => {
impl<'a> Thing<'a> for $thing {
fn foo<'b>(&self) {
$body
}
}
};
}
struct MyThing;
define_thing!(MyThing, {
dbg!(2);
});
}
#[test]
pub fn issue8481() {
dbg!(1);
}
#[cfg(test)]
fn foo2() {
dbg!(1);
}
#[cfg(test)]
mod mod1 {
fn func() {
dbg!(1);
}
}