36 lines
1.0 KiB
Rust
36 lines
1.0 KiB
Rust
// This test ensures that `tail_expr_drop_order` does not activate in case Edition 2024 is not used
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// or the feature gate `shorter_tail_lifetimes` is disabled.
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//@ revisions: neither no_feature_gate edition_less_than_2024
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//@ check-pass
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//@ [neither] edition: 2021
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//@ [no_feature_gate] compile-flags: -Z unstable-options
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//@ [no_feature_gate] edition: 2024
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//@ [edition_less_than_2024] edition: 2021
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#![deny(tail_expr_drop_order)]
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#![cfg_attr(edition_less_than_2024, feature(shorter_tail_lifetimes))]
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struct LoudDropper;
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impl Drop for LoudDropper {
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fn drop(&mut self) {
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// This destructor should be considered significant because it is a custom destructor
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// and we will assume that the destructor can generate side effects arbitrarily so that
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// a change in drop order is visible.
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println!("loud drop");
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}
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}
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impl LoudDropper {
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fn get(&self) -> i32 {
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0
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}
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}
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fn should_not_lint() -> i32 {
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let x = LoudDropper;
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x.get() + LoudDropper.get()
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// Lint should not action
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}
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fn main() {}
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