mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 00:34:06 +00:00
36 lines
1.4 KiB
Plaintext
36 lines
1.4 KiB
Plaintext
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`.
|