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update feature gate test

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This commit is contained in:
lcnr
2021-12-23 10:05:43 +01:00
parent 0f0556b627
commit 484dc1f7a2
2 changed files with 44 additions and 3 deletions
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src/test/ui/feature-gates/feature-gate-generic_arg_infer.normal.stderr
+34 -3
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@@ -1,5 +1,35 @@
error[E0658]: using `_` for array lengths is unstable
--> $DIR/feature-gate-generic_arg_infer.rs:11:27
|
LL | let _x: [u8; 3] = [0; _];
| ^
|
= note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
= help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
error: in expressions, `_` can only be used on the left-hand side of an assignment
--> $DIR/feature-gate-generic_arg_infer.rs:11:27
|
LL | let _x: [u8; 3] = [0; _];
| ^ `_` not allowed here
error[E0658]: using `_` for array lengths is unstable
--> $DIR/feature-gate-generic_arg_infer.rs:14:18
|
LL | let _y: [u8; _] = [0; 3];
| ^
|
= note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
= help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
error: in expressions, `_` can only be used on the left-hand side of an assignment
--> $DIR/feature-gate-generic_arg_infer.rs:14:18
|
LL | let _y: [u8; _] = [0; 3];
| ^ `_` not allowed here
error[E0747]: type provided when a constant was expected
--> $DIR/feature-gate-generic_arg_infer.rs:11:20
--> $DIR/feature-gate-generic_arg_infer.rs:20:20
|
LL | let _x = foo::<_>([1,2]);
| ^
@@ -7,6 +37,7 @@ LL | let _x = foo::<_>([1,2]);
= help: const arguments cannot yet be inferred with `_`
= help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
error: aborting due to previous error
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0747`.
Some errors have detailed explanations: E0658, E0747.
For more information about an error, try `rustc --explain E0658`.
src/test/ui/feature-gates/feature-gate-generic_arg_infer.rs
+10
View File
@@ -7,7 +7,17 @@
[0; N]
}
fn bar() {
let _x: [u8; 3] = [0; _];
//[normal]~^ ERROR: using `_` for array lengths is unstable
//[normal]~| ERROR: in expressions, `_` can only be used on the left-hand side of an assignment
let _y: [u8; _] = [0; 3];
//[normal]~^ ERROR: using `_` for array lengths is unstable
//[normal]~| ERROR: in expressions, `_` can only be used on the left-hand side of an assignment
}
fn main() {
let _x = foo::<_>([1,2]);
//[normal]~^ ERROR: type provided when a constant was expected
let _y = bar();
}