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| author | bors[bot] <bors[bot]@users.noreply.github.com> | 2019-05-03 18:54:54 +0100 |
|---|---|---|
| committer | bors[bot] <bors[bot]@users.noreply.github.com> | 2019-05-03 18:54:54 +0100 |
| commit | 11cc8024a1897a0c844a1f7aca4b20ee34b95b50 (patch) | |
| tree | 4e5c79b8302e416d02d95a11f71e13656a26b4fe /crates/ra_parser/src/grammar | |
| parent | 26b499811489f72ad5176d68d40c9a0748620417 (diff) | |
| parent | 4ba4747578ba22033f6dc8ac9f429b678e37e578 (diff) | |
Merge #1229
1229: Mark unused mbe variable as `Binding::Empty` r=matklad a=edwin0cheng
This PR fixes a regression bug in In #1228, which incorrect expand an empty binding :
* Introduce a new Binding type `Binding::Empty`.
* Mark all unused binding variables are empty and error out in expansion instead of just by passing.
Co-authored-by: Edwin Cheng <[email protected]>
Diffstat (limited to 'crates/ra_parser/src/grammar')
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