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bfc66dae
编写于
2月 25, 2018
作者:
E
Esteban Küber
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差异文件
Review comment: remove mention of `move` closure
上级
cb5667ea
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
15 addition
and
12 deletion
+15
-12
src/libcore/marker.rs
src/libcore/marker.rs
+10
-8
src/test/ui/closure-move-sync.stderr
src/test/ui/closure-move-sync.stderr
+5
-4
未找到文件。
src/libcore/marker.rs
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bfc66dae
...
...
@@ -344,18 +344,20 @@ pub trait Copy : Clone {
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
#[lang
=
"sync"
]
#[rustc_on_unimplemented(
on(
_
Self=
"std::sync::mpsc::Receiver<T>"
,
label=
"`{Self}` cannot be shared safely, consider marking the closure `move`"
),
on(
_
Self=
"std::sync::mpsc::Sender<T>"
,
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"
)]
pub
unsafe
auto
trait
Sync
{
// FIXME(estebank): once support to add notes in `rustc_on_unimplemented`
// lands in beta, and it has been extended to check whether a closure is
// anywhere in the requirement chain, extend it as such (#48534):
// ```
// on(
// closure,
// note="`{Self}` cannot be shared safely, consider marking the closure `move`"
// ),
// ```
// Empty
}
...
...
src/test/ui/closure-move-sync.stderr
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bfc66dae
error[E0277]: `std::sync::mpsc::Receiver<()>` cannot be shared between threads safely
--> $DIR/closure-move-sync.rs:16:13
|
16
| let t = thread::spawn(|| {
| ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<()>` cannot be shared
safely, consider marking the closure `move`
LL
| let t = thread::spawn(|| {
| ^^^^^^^^^^^^^ `std::sync::mpsc::Receiver<()>` cannot be shared
between threads safely
|
= 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<()>`
...
...
@@ -12,8 +12,8 @@ error[E0277]: `std::sync::mpsc::Receiver<()>` cannot be shared between threads s
error[E0277]: `std::sync::mpsc::Sender<()>` cannot be shared between threads safely
--> $DIR/closure-move-sync.rs:28:5
|
28
| thread::spawn(|| tx.send(()).unwrap());
| ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<()>` cannot be shared
safely, consider marking the closure `move`
LL
| thread::spawn(|| tx.send(()).unwrap());
| ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<()>` cannot be shared
between threads safely
|
= 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<()>`
...
...
@@ -22,3 +22,4 @@ error[E0277]: `std::sync::mpsc::Sender<()>` cannot be shared between threads saf
error: aborting due to 2 previous errors
If you want more information on this error, try using "rustc --explain E0277"
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