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// check-pass
#![feature(lint_reasons)]
#![warn(unused_variables)]
macro_rules! trigger_unused_variables_macro {
() => {
let x = 0;
//~^ WARNING unused variable: `x` [unused_variables]
//~| WARNING unused variable: `x` [unused_variables]
};
}
pub fn check_macro() {
// This should trigger the `unused_variables` from inside the macro
trigger_unused_variables_macro!();
}
// This should be fulfilled by the macro
#[expect(unused_variables)]
pub fn check_expect_on_item() {
trigger_unused_variables_macro!();
}
pub fn check_expect_on_macro() {
// This should be fulfilled by the macro
#[expect(unused_variables)]
trigger_unused_variables_macro!();
// FIXME: Lint attributes currently don't work directly on macros, and
// therefore also doesn't work for the new `expect` attribute. This bug
// is being tracked in rust#87391. The test will until then produce two
// warnings about the unused variable x.
//
// The expectation is still marked as fulfilled. I'm not totally why but
// my guess is that this will remain working when rust#87391 has been fixed.
}
fn main() {
}
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