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体验新版 GitCode,发现更多精彩内容 >>
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e84db9bc
编写于
8月 09, 2018
作者:
N
Niko Matsakis
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差异文件
add test for method ufcs notation
上级
56506cfa
变更
2
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2 changed file
with
122 addition
and
0 deletion
+122
-0
src/test/ui/nll/user-annotations/method-ufcs.rs
src/test/ui/nll/user-annotations/method-ufcs.rs
+81
-0
src/test/ui/nll/user-annotations/method-ufcs.stderr
src/test/ui/nll/user-annotations/method-ufcs.stderr
+41
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src/test/ui/nll/user-annotations/method-ufcs.rs
0 → 100644
浏览文件 @
e84db9bc
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Unit test for the "user substitutions" that are annotated on each
// node.
#![feature(nll)]
trait
Bazoom
<
T
>
{
fn
method
<
U
>
(
&
self
,
arg
:
T
,
arg2
:
U
)
{
}
}
impl
<
T
,
U
>
Bazoom
<
U
>
for
T
{
}
fn
no_annot
()
{
let
a
=
22
;
let
b
=
44
;
let
c
=
66
;
<
_
as
Bazoom
<
_
>>
::
method
(
&
a
,
b
,
&
c
);
// OK
}
fn
annot_underscore
()
{
let
a
=
22
;
let
b
=
44
;
let
c
=
66
;
<
_
as
Bazoom
<
_
>>
::
method
::
<
_
>
(
&
a
,
b
,
&
c
);
// OK
}
fn
annot_reference_any_lifetime
()
{
let
a
=
22
;
let
b
=
44
;
let
c
=
66
;
<
_
as
Bazoom
<
_
>>
::
method
::
<&
u32
>
(
&
a
,
b
,
&
c
);
// OK
}
fn
annot_reference_static_lifetime
()
{
let
a
=
22
;
let
b
=
44
;
let
c
=
66
;
<
_
as
Bazoom
<
_
>>
::
method
::
<&
'static
u32
>
(
&
a
,
b
,
&
c
);
//~ ERROR
}
fn
annot_reference_named_lifetime
<
'a
>
(
_
d
:
&
'a
u32
)
{
let
a
=
22
;
let
b
=
44
;
let
c
=
66
;
<
_
as
Bazoom
<
_
>>
::
method
::
<&
'a
u32
>
(
&
a
,
b
,
&
c
);
//~ ERROR
}
fn
annot_reference_named_lifetime_ok
<
'a
>
(
c
:
&
'a
u32
)
{
let
a
=
22
;
let
b
=
44
;
<
_
as
Bazoom
<
_
>>
::
method
::
<&
'a
u32
>
(
&
a
,
b
,
c
);
}
fn
annot_reference_named_lifetime_in_closure
<
'a
>
(
_
:
&
'a
u32
)
{
let
a
=
22
;
let
b
=
44
;
let
_
closure
=
||
{
let
c
=
66
;
<
_
as
Bazoom
<
_
>>
::
method
::
<&
'a
u32
>
(
&
a
,
b
,
&
c
);
//~ ERROR
};
}
fn
annot_reference_named_lifetime_in_closure_ok
<
'a
>
(
c
:
&
'a
u32
)
{
let
a
=
22
;
let
b
=
44
;
let
_
closure
=
||
{
<
_
as
Bazoom
<
_
>>
::
method
::
<&
'a
u32
>
(
&
a
,
b
,
c
);
};
}
fn
main
()
{
}
src/test/ui/nll/user-annotations/method-ufcs.stderr
0 → 100644
浏览文件 @
e84db9bc
error[E0597]: `c` does not live long enough
--> $DIR/method-ufcs.rs:48:53
|
LL | <_ as Bazoom<_>>::method::<&'static u32>(&a, b, &c); //~ ERROR
| ^^ borrowed value does not live long enough
LL | }
| - `c` dropped here while still borrowed
|
= note: borrowed value must be valid for the static lifetime...
error[E0597]: `c` does not live long enough
--> $DIR/method-ufcs.rs:55:48
|
LL | <_ as Bazoom<_>>::method::<&'a u32>(&a, b, &c); //~ ERROR
| ^^ borrowed value does not live long enough
LL | }
| - `c` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 51:35...
--> $DIR/method-ufcs.rs:51:35
|
LL | fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
| ^^
error[E0597]: `c` does not live long enough
--> $DIR/method-ufcs.rs:69:52
|
LL | <_ as Bazoom<_>>::method::<&'a u32>(&a, b, &c); //~ ERROR
| ^^ borrowed value does not live long enough
LL | };
| - `c` dropped here while still borrowed
|
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 64:46...
--> $DIR/method-ufcs.rs:64:46
|
LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
| ^^
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0597`.
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