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|
// Makes sure the suggestions of the `unused_must_use` lint are not inside
//
// See <https://github.com/rust-lang/rust/issues/143025>
//@ check-pass
//@ run-rustfix
#![expect(unused_macros)]
#![warn(unused_must_use)]
fn main() {
{
macro_rules! cmp {
($a:tt, $b:tt) => {
$a == $b
};
}
// FIXME(Urgau): For some unknown reason the spans we get are not
// recorded to be from any expansions, preventing us from either
// suggesting in front of the macro or not at all.
// cmp!(1, 1);
}
{
macro_rules! cmp {
($a:ident, $b:ident) => {
$a == $b
}; //~^ WARN unused comparison that must be used
}
let a = 1;
let b = 1;
let _ = cmp!(a, b);
//~^ SUGGESTION let _
}
{
macro_rules! cmp {
($a:expr, $b:expr) => {
$a == $b
}; //~^ WARN unused comparison that must be used
}
let _ = cmp!(1, 1);
//~^ SUGGESTION let _
}
{
macro_rules! cmp {
($a:tt, $b:tt) => {
$a.eq(&$b)
};
}
let _ = cmp!(1, 1);
//~^ WARN unused return value
//~| SUGGESTION let _
}
}
|
