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Instead use shallow resolving where necessary.
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Fixes #7626.
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Fixes #8604.
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8813: Get some more array lengths! r=lf- a=lf-
This is built on #8799 and thus contains its changes. I'll rebase it onto master when that one gets merged. It adds support for r-a understanding the length of:
* `let a: [u8; 2] = ...`
* `let a = b"aaa"`
* `let a = [0u8; 4]`
I have added support for getting the values of byte strings, which was not previously there. I am least confident in the correctness of this part and it probably needs some more tests, as we currently have only one test that exercised that part (!).
Fixes #2922.
Co-authored-by: Jade <[email protected]>
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Fix #2922: add unknown length as a condition for a type having unknown.
Incorporate reviews:
* Extract some of the const evaluation workings into functions
* Add fixmes on the hacks
* Add tests for impls on specific array lengths (these work!!! 😁)
* Add tests for const generics (indeed we don't support it yet)
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Now we will get the type of `[0u8; 4]`.
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I am not confident that my added byte string parsing is right.
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Now e.g.
```rust
fn a(b: [u8; 2]) {
}
```
will know about the length of b.
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8799: Add basic support for array lengths in types r=flodiebold a=lf-
This recognizes `let a = [1u8, 2, 3]` as having type `[u8; 3]` instead
of the previous `[u8; _]`. Byte strings and `[0u8; 2]` kinds of range
array declarations are unsupported as before.
I don't know why a bunch of our rustc tests had single quotes inside
strings un-escaped by `UPDATE_EXPECT=1 cargo t`, but I don't think it's
bad? Maybe something in a nightly?
Co-authored-by: Jade <[email protected]>
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This recognizes `let a = [1u8, 2, 3]` as having type `[u8; 3]` instead
of the previous `[u8; _]`. Byte strings and `[0u8; 2]` kinds of range
array declarations are unsupported as before.
I don't know why a bunch of our rustc tests had single quotes inside
strings un-escaped by `UPDATE_EXPECT=1 cargo t`, but I don't think it's
bad? Maybe something in a nightly?
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This isn't actually how it works, you have to specify the exact trait
that has the associated type.
Fixes #8686.
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closes #8604
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8462: Expand macros at type position r=jonas-schievink a=cynecx
Co-authored-by: cynecx <[email protected]>
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If we get lifetime variables back in autoderef, just immediately replace
them by static lifetimes for now. Method resolution doesn't really deal
correctly with new variables being introduced (this needs to be fixed
more properly).
This fixes `rust-analyzer analysis-stats --with-deps` crashing in the RA
repo.
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8394: Infer variants through type aliased enums r=Veykril a=Veykril
bors r+
Co-authored-by: Lukas Wirth <[email protected]>
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7907: Autoderef with visibility r=cynecx a=cynecx
Fixes https://github.com/rust-analyzer/rust-analyzer/issues/7841.
I am not sure about the general approach here. Right now this simply tries to check whether the autoderef candidate is reachable from the current module. ~~However this doesn't exactly work with traits (see the `tests::macros::infer_derive_clone_in_core` test, which fails right now).~~ see comment below
Refs:
- `rustc_typeck` checking fields: https://github.com/rust-lang/rust/blob/66ec64ccf31883cd2c28d045912a76179c0c6ed2/compiler/rustc_typeck/src/check/expr.rs#L1610
r? @flodiebold
Co-authored-by: cynecx <[email protected]>
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8156: Correctly lower TraitRefs with default params r=flodiebold a=Veykril
Fixes #5685
Co-authored-by: Lukas Wirth <[email protected]>
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8137: Fix box pattern inference panic r=flodiebold a=Veykril
Fixes #6560
Co-authored-by: Lukas Wirth <[email protected]>
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