Rollup of 10 pull requests #73923
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Rollup of 10 pull requests #73923
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This allows us to write
fn char_to_string() -> String {
'a'.into()
}
which was not possible before.
They are gated by internal feature gate const_likely
Co-authored-by: Oliver Scherer <github35764891676564198441@oli-obk.de>
…=davidtwco Added detailed error code explanation for issue E0687 in Rust compiler. Added proper error explanation for issue E0687 in the Rust compiler. Error Code E0687 Sub Part of Issue rust-lang#61137 r? @GuillaumeGomez
…olnay
impl From<char> for String
This allows us to write
````rust
fn char_to_string() -> String {
'a'.into()
}
````
which was not possible before.
stop taking references in Relate Adds a `Copy` bound to `Relate` and changes the type signatures to `T` from `&T`. While the `Copy` bound is not strictly necessary (i.e. the `Clone` bound of `TypeRelation` would be good enough), we don't need non `Copy` types and it simplifies the implementation. Removes the afaict unused impls for `Vec<ty::PolyExistentialProjection<'tcx>>`, `Rc<T>` and `Box<T>`. If they end up being relevant again the bound of `Relate` can be reduced to `T: Clone`. This also changes signature of `Binder::skip_binder` to `fn skip_binder(self) -> T`. `TypeError::ProjectionBoundsLength` was never used and is also removed in this PR. r? @nikomatsakis maybe 🤔 feel free to reassign
…bank
Fix wording for anonymous parameter name help
```
--> exercises/functions/functions2.rs:8:15
|
8 | fn call_me(num) {
| ^ expected one of `:`, `@`, or `|`
|
= note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
help: if this is a `self` type, give it a parameter name
|
8 | fn call_me(self: num) {
| ^^^^^^^^^
help: if this was a parameter name, give it a type
|
8 | fn call_me(num: TypeName) {
| ^^^^^^^^^^^^^
help: if this is a type, explicitly ignore the parameter name
|
8 | fn call_me(_: num) {
|
```
This commit changes "if this was a parameter name" to "if this is a parameter name" to match the wording of similar errors.
…r=jonas-schievink Advertise correct stable version for const control flow rust-lang#72437 was opened before the 1.45 release but merged afterwards. These will be stable in 1.46.
…an-DPC Clean up E0712 explanation r? @Dylan-DPC
remove duplicate test for rust-lang#61935 Apparently I somehow messed up the issue number in rust-lang#67890 which caused us to add this test twice, both as https://github.com/rust-lang/rust/blob/master/src/test/ui/const-generics/issues/issue-61935.rs and https://github.com/rust-lang/rust/blob/master/src/test/ui/const-generics/lazy-normalization/issue-71922.rs rust-lang#61935 is the actually fixed issue while rust-lang#71922 is still not working, as it depends on lazy norm of repeat expressions
…vink Add missing backtick in `ty_error_with_message`
…ckler `#[deny(unsafe_op_in_unsafe_fn)]` in libstd/fs.rs The `libstd/fs.rs` part of rust-lang#73904 . Wraps the two calls to an unsafe fn `Initializer::nop()` in an `unsafe` block. Followed instructions in parent issue, ran `./x.py check src/libstd/` after adding the lint and two warnings were given. After adding these changes, those disappear.
|
@bors r+ p=10 rollup=never |
|
📌 Commit b37816d has been approved by |
bors
added
the
S-waiting-on-bors
|
Closing in favor of #73924 , contains more substantiative PRs. |
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Successful merges:
likelyandunlikelyconst, gated by featureconst_unlikely#73778 (Makelikelyandunlikelyconst, gated by featureconst_unlikely)ty_error_with_message#73906 (Add missing backtick inty_error_with_message)#[deny(unsafe_op_in_unsafe_fn)]in libstd/fs.rs #73909 (#[deny(unsafe_op_in_unsafe_fn)]in libstd/fs.rs)Failed merges:
r? @ghost