rust/tests/ui/borrowck/issue-31287-drop-in-guard.stderr
2023-01-11 09:32:08 +00:00

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error[E0382]: use of moved value: `a`
--> $DIR/issue-31287-drop-in-guard.rs:7:9
|
LL | let a = Some("...".to_owned());
| - move occurs because `a` has type `Option<String>`, which does not implement the `Copy` trait
LL | let b = match a {
LL | Some(_) if { drop(a); false } => None,
| - value moved here
LL | x => x,
| ^ value used here after move
|
help: consider cloning the value if the performance cost is acceptable
|
LL | Some(_) if { drop(a.clone()); false } => None,
| ++++++++
error[E0382]: use of moved value: `a`
--> $DIR/issue-31287-drop-in-guard.rs:13:9
|
LL | let a = Some("...".to_owned());
| - move occurs because `a` has type `Option<String>`, which does not implement the `Copy` trait
LL | let b = match a {
LL | Some(_) if let Some(()) = { drop(a); None } => None,
| - value moved here
LL | x => x,
| ^ value used here after move
|
help: consider cloning the value if the performance cost is acceptable
|
LL | Some(_) if let Some(()) = { drop(a.clone()); None } => None,
| ++++++++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0382`.