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rust/tests/ui/drop/lint-if-let-rescope-gated.edition2021.stderr

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error: `if let` assigns a shorter lifetime since Edition 2024
--> $DIR/lint-if-let-rescope-gated.rs:26:8
|
LL | if let Some(_value) = Droppy.get() {
| ^^^^^^^^^^^^^^^^^^^------^^^^^^
| |
| this value has a significant drop implementation which may observe a major change in drop order and requires your discretion
|
= warning: this changes meaning in Rust 2024
= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/temporary-if-let-scope.html>
2025-02-23 03:34:33 +00:00
note: value invokes this custom destructor
--> $DIR/lint-if-let-rescope-gated.rs:14:1
|
LL | / impl Drop for Droppy {
LL | | fn drop(&mut self) {
LL | | println!("dropped");
LL | | }
LL | | }
| |_^
help: the value is now dropped here in Edition 2024
--> $DIR/lint-if-let-rescope-gated.rs:30:5
|
LL | } else {
| ^
note: the lint level is defined here
--> $DIR/lint-if-let-rescope-gated.rs:10:9
|
LL | #![deny(if_let_rescope)]
| ^^^^^^^^^^^^^^
2024-09-13 02:43:49 +08:00
help: a `match` with a single arm can preserve the drop order up to Edition 2021
|
2024-09-13 02:43:49 +08:00
LL ~ match Droppy.get() { Some(_value) => {
LL |
LL |
LL |
LL ~ } _ => {
LL |
LL ~ }}
|
2024-09-13 02:43:49 +08:00
error: aborting due to 1 previous error