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0ba6f4eda0
feat: add preliminary support for `+ use<..>` `precise_capturing` syntax
## Summary
This PR adds basic support for the following syntax.
```rs
fn captures<'a: 'a, 'b: 'b, T>() -> impl Sized + use<'b, T> {}
// ~~~~~~~~~~~~~~~~~~~~~~~
// This opaque type does not capture `'a`.
fn outlives<'o, T: 'o>(_: T) {}
fn caller<'o, 'a, 'b: 'o, T: 'o>() {
// ~~
// ^ Note that we don't need `'a: 'o`.
outlives::<'o>(captures::<'a, 'b, T>());
}
```
Related to #17598
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|---|---|---|
| .. | ||
| generated | ||
| edit.rs | ||
| edit_in_place.rs | ||
| expr_ext.rs | ||
| generated.rs | ||
| make.rs | ||
| node_ext.rs | ||
| operators.rs | ||
| prec.rs | ||
| token_ext.rs | ||
| traits.rs | ||