bjoernager/rust
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Make hint clearer, with the potential of being wrong

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This commit is contained in:
Esteban Küber 2018-02-19 00:15:12 -08:00
parent fe1975448c
commit cb5667eaa5
2 changed files with 4 additions and 4 deletions
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4
src/libcore/marker.rs
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@ -346,11 +346,11 @@ pub trait Copy : Clone {
#[rustc_on_unimplemented(
on(
_Self="std::sync::mpsc::Receiver<T>",
label="`{Self}` cannot be shared safely, if using a closure consider marking it `move`"
label="`{Self}` cannot be shared safely, consider marking the closure `move`"
),
on(
_Self="std::sync::mpsc::Sender<T>",
label="`{Self}` cannot be shared safely, if using a closure consider marking it `move`"
label="`{Self}` cannot be shared safely, consider marking the closure `move`"
),
message="`{Self}` cannot be shared between threads safely",
label="`{Self}` cannot be shared between threads safely"

4
src/test/ui/closure-move-sync.stderr
View file

@ -2,7 +2,7 @@ error[E0277]: `std::sync::mpsc::Receiver<()>` cannot be shared between threads s
--> $DIR/closure-move-sync.rs:16:13
|
16 | let t = thread::spawn(|| {
| ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<()>` cannot be shared safely, if using a closure consider marking it `move`
| ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<()>` cannot be shared safely, consider marking the closure `move`
|
= help: the trait `std::marker::Sync` is not implemented for `std::sync::mpsc::Receiver<()>`
= note: required because of the requirements on the impl of `std::marker::Send` for `&std::sync::mpsc::Receiver<()>`
@ -13,7 +13,7 @@ error[E0277]: `std::sync::mpsc::Sender<()>` cannot be shared between threads saf
--> $DIR/closure-move-sync.rs:28:5
|
28 | thread::spawn(|| tx.send(()).unwrap());
| ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<()>` cannot be shared safely, if using a closure consider marking it `move`
| ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<()>` cannot be shared safely, consider marking the closure `move`
|
= help: the trait `std::marker::Sync` is not implemented for `std::sync::mpsc::Sender<()>`
= note: required because of the requirements on the impl of `std::marker::Send` for `&std::sync::mpsc::Sender<()>`