4f477427b8
Implement parsing of pinned borrows This PR implements part of #130494. EDIT: It introduces `&pin mut $place` and `&pin const $place` as sugars for `std::pin::pin!($place)` and its shared reference equivalent, except that `$place` will not be moved when borrowing. The borrow check will be in charge of enforcing places cannot be moved or mutably borrowed since being pinned till dropped. ### Implementation steps: - [x] parse the `&pin mut $place` and `&pin const $place` syntaxes - [ ] borrowck of `&pin mut|const` - [ ] support autoref of `&pin mut|const` when needed |
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| helpers.rs | ||
| lib.rs | ||
| pp.rs | ||