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