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8168: correct `convert to guard return` let_stmt r=Veykril a=hi-rustin
close https://github.com/rust-analyzer/rust-analyzer/issues/8074
Co-authored-by: hi-rustin <[email protected]>
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fix
fix
add check
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changelog: skip
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changelog skip
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changelog: skip
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changelog internal
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8119: Don't return a SourceChange on WillRenameFiles when nothing gets refactored r=Veykril a=Veykril
bors r+
Co-authored-by: Lukas Wirth <[email protected]>
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changelog skip
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(clippy::bind_instead_of_map)
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changelog: skip
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Notably, new rowan comes with support for mutable syntax trees.
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The get function from impl method is updated.
and now same method used to get len and is_empty function.
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the assist will be shown when the len function is implemented.
is_empty internally uses len function.
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7956: Add assist to convert for_each into for loops r=Veykril a=SaiintBrisson
This PR resolves #7821.
Adds an assist to that converts an `Iterator::for_each` into a for loop:
```rust
fn main() {
let vec = vec![(1, 2), (2, 3), (3, 4)];
x.iter().for_each(|(x, y)| {
println!("x: {}, y: {}", x, y);
})
}
```
becomes
```rust
fn main() {
let vec = vec![(1, 2), (2, 3), (3, 4)];
for (x, y) in x.iter() {
println!("x: {}, y: {}", x, y);
});
}
```
Co-authored-by: Luiz Carlos Mourão Paes de Carvalho <[email protected]>
Co-authored-by: Luiz Carlos <[email protected]>
Co-authored-by: Lukas Wirth <[email protected]>
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Co-authored-by: Lukas Wirth <[email protected]>
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7873: Consider unresolved qualifiers during flyimport r=matklad a=SomeoneToIgnore
Closes https://github.com/rust-analyzer/rust-analyzer/issues/7679
Takes unresolved qualifiers into account, providing better completions (or none, if the path is resolved or do not match).
Does not handle cases when both path qualifier and some trait has to be imported: there are many extra issues with those (such as overlapping imports, for instance) that will require large diffs to address.
Also does not do a fuzzy search on qualifier, that requires some adjustments in `import_map` for better queries and changes to the default replace range which also seems relatively big to include here.
7933: Improve compilation speed r=matklad a=matklad
bors r+
🤖
Co-authored-by: Kirill Bulatov <[email protected]>
Co-authored-by: Aleksey Kladov <[email protected]>
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7898: generate_function assist: infer return type r=JoshMcguigan a=JoshMcguigan
This PR makes two changes to the generate function assist:
1. Attempt to infer an appropriate return type for the generated function
2. If a return type is inferred, and that return type is not unit, don't render the snippet
```rust
fn main() {
let x: u32 = foo$0();
// ^^^ trigger the assist to generate this function
}
// BEFORE
fn foo() ${0:-> ()} {
todo!()
}
// AFTER (only change 1)
fn foo() ${0:-> u32} {
todo!()
}
// AFTER (change 1 and 2, note the lack of snippet around the return type)
fn foo() -> u32 {
todo!()
}
```
These changes are made as two commits, in case we want to omit change 2. I personally feel like it is a nice change, but I could understand there being some opposition.
#### Pros of change 2
If we are able to infer a return type, and especially if that return type is not the unit type, the return type is almost as likely to be correct as the argument names/types. I think this becomes even more true as people learn how this feature works.
#### Cons of change 2
We could never be as confident about the return type as we are about the function argument types, so it is more likely a user will want to change that. Plus it is a confusing UX to sometimes have the cursor highlight the return type after triggering this assist and sometimes not have that happen.
#### Why omit unit type?
The assumption is that if we infer the return type as unit, it is likely just because of the current structure of the code rather than that actually being the desired return type. However, this is obviously just a heuristic and will sometimes be wrong. But being wrong here just means falling back to the exact behavior that existed before this PR.
Co-authored-by: Josh Mcguigan <[email protected]>
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