mirror of https://github.com/rust-lang/rust
50 lines
1.6 KiB
Rust
50 lines
1.6 KiB
Rust
//@ compile-flags: --force-warn while_true
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//@ compile-flags: --force-warn unused_variables
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//@ compile-flags: --force-warn unused_mut
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//@ check-pass
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#![feature(lint_reasons)]
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fn expect_early_pass_lint(terminate: bool) {
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#[expect(while_true)]
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//~^ WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
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//~| NOTE `#[warn(unfulfilled_lint_expectations)]` on by default
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while !terminate {
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println!("Do you know what a spin lock is?")
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}
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}
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#[expect(unused_variables, reason="<this should fail and display this reason>")]
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//~^ WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
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//~| NOTE <this should fail and display this reason>
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fn check_specific_lint() {
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let _x = 2;
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}
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#[expect(unused)]
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//~^ WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
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fn check_multiple_lints_with_lint_group() {
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let fox_name = "Sir Nibbles";
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let what_does_the_fox_say = "*ding* *deng* *dung*";
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println!("The fox says: {what_does_the_fox_say}");
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println!("~ {fox_name}")
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}
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#[expect(unused)]
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//~^ WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
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fn check_overridden_expectation_lint_level() {
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#[allow(unused_variables)]
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let this_should_not_fulfill_the_expectation = "maybe";
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//~^ WARNING unused variable: `this_should_not_fulfill_the_expectation` [unused_variables]
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//~| NOTE requested on the command line with `--force-warn unused-variables`
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//~| HELP if this is intentional, prefix it with an underscore
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}
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fn main() {
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check_multiple_lints_with_lint_group();
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check_overridden_expectation_lint_level();
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}
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