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体验新版 GitCode,发现更多精彩内容 >>
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ee9c614e
编写于
7月 01, 2021
作者:
D
Deadbeef
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差异文件
Test for const trait impls behind feature gates
上级
b3a79832
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4
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4 changed file
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+89
-0
src/test/ui/rfc-2632-const-trait-impl/auxiliary/staged-api.rs
...test/ui/rfc-2632-const-trait-impl/auxiliary/staged-api.rs
+22
-0
src/test/ui/rfc-2632-const-trait-impl/staged-api.rs
src/test/ui/rfc-2632-const-trait-impl/staged-api.rs
+39
-0
src/test/ui/rfc-2632-const-trait-impl/staged-api.staged.stderr
...est/ui/rfc-2632-const-trait-impl/staged-api.staged.stderr
+10
-0
src/test/ui/rfc-2632-const-trait-impl/staged-api.stock.stderr
...test/ui/rfc-2632-const-trait-impl/staged-api.stock.stderr
+18
-0
未找到文件。
src/test/ui/rfc-2632-const-trait-impl/auxiliary/staged-api.rs
0 → 100644
浏览文件 @
ee9c614e
#![feature(const_trait_impl)]
#![allow(incomplete_features)]
#![feature(staged_api)]
#![stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
pub
trait
MyTrait
{
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
fn
func
();
}
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
pub
struct
Unstable
;
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
#[rustc_const_unstable(feature
=
"staged"
,
issue
=
"none"
)]
impl
const
MyTrait
for
Unstable
{
fn
func
()
{
}
}
src/test/ui/rfc-2632-const-trait-impl/staged-api.rs
0 → 100644
浏览文件 @
ee9c614e
// revisions: stock staged
#![cfg_attr(staged,
feature(staged))]
#![feature(const_trait_impl)]
#![allow(incomplete_features)]
#![feature(staged_api)]
#![stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
// aux-build: staged-api.rs
extern
crate
staged_api
;
use
staged_api
::
*
;
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
pub
struct
Stable
;
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
#[cfg_attr(staged,
rustc_const_stable(feature
=
"rust1"
,
since
=
"1.0.0"
))]
// ^ should trigger error with or without the attribute
impl
const
MyTrait
for
Stable
{
fn
func
()
{
//~ ERROR trait methods cannot be stable const fn
}
}
fn
non_const_context
()
{
Unstable
::
func
();
Stable
::
func
();
}
#[unstable(feature
=
"none"
,
issue
=
"none"
)]
const
fn
const_context
()
{
Unstable
::
func
();
//[stock]~^ ERROR `<staged_api::Unstable as staged_api::MyTrait>::func` is not yet stable as a const fn
Stable
::
func
();
}
fn
main
()
{}
src/test/ui/rfc-2632-const-trait-impl/staged-api.staged.stderr
0 → 100644
浏览文件 @
ee9c614e
error: trait methods cannot be stable const fn
--> $DIR/staged-api.rs:22:5
|
LL | / fn func() {
LL | |
LL | | }
| |_____^
error: aborting due to previous error
src/test/ui/rfc-2632-const-trait-impl/staged-api.stock.stderr
0 → 100644
浏览文件 @
ee9c614e
error: trait methods cannot be stable const fn
--> $DIR/staged-api.rs:22:5
|
LL | / fn func() {
LL | |
LL | | }
| |_____^
error: `<staged_api::Unstable as staged_api::MyTrait>::func` is not yet stable as a const fn
--> $DIR/staged-api.rs:34:5
|
LL | Unstable::func();
| ^^^^^^^^^^^^^^^^
|
= help: add `#![feature(staged)]` to the crate attributes to enable
error: aborting due to 2 previous errors
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