// check-pass // ignore-tidy-linelength #![feature(lint_reasons)] #![warn(unused_mut)] #![expect(unfulfilled_lint_expectations, reason = "idk why you would expect this")] //~^ WARNING this lint expectation is unfulfilled //~| NOTE `#[warn(unfulfilled_lint_expectations)]` on by default //~| NOTE idk why you would expect this //~| NOTE the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message #[expect(unfulfilled_lint_expectations, reason = "a local: idk why you would expect this")] //~^ WARNING this lint expectation is unfulfilled //~| NOTE a local: idk why you would expect this //~| NOTE the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message pub fn normal_test_fn() { #[expect(unused_mut, reason = "this expectation will create a diagnostic with the default lint level")] //~^ WARNING this lint expectation is unfulfilled //~| NOTE this expectation will create a diagnostic with the default lint level let mut v = vec![1, 1, 2, 3, 5]; v.sort(); // Check that lint lists including `unfulfilled_lint_expectations` are also handled correctly #[expect(unused, unfulfilled_lint_expectations, reason = "the expectation for `unused` should be fulfilled")] //~^ WARNING this lint expectation is unfulfilled //~| NOTE the expectation for `unused` should be fulfilled //~| NOTE the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message let value = "I'm unused"; } #[expect(warnings, reason = "this suppresses all warnings and also suppresses itself. No warning will be issued")] pub fn expect_warnings() { // This lint trigger will be suppressed #[warn(unused_mut)] let mut v = vec![1, 1, 2, 3, 5]; } fn main() {}