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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2020-02-13 11:37:32 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-13 11:37:32 +0000 |
| commit | 1f897d1c6eaa7f0251bb47a5d2d1894cd8e82d54 (patch) | |
| tree | 87c4f024bfd4308e4ab6a7068102808efec888b6 /docs/dev/debugging.md | |
| parent | 6f2cab1368dafc5663bb591a45062280a94a4ef9 (diff) | |
| parent | e4f4cd77a07918529cd274f3299a020cbc884974 (diff) | |
| download | rust-1f897d1c6eaa7f0251bb47a5d2d1894cd8e82d54.tar.gz rust-1f897d1c6eaa7f0251bb47a5d2d1894cd8e82d54.zip | |
Merge #3120
3120: Support trait auto import r=matklad a=SomeoneToIgnore
Unfortunately, for real cases it does not work as spectacular as in the tests.
The main reason for that is type inference:
* The callee type [here](https://github.com/rust-analyzer/rust-analyzer/blob/master/crates/ra_hir_ty/src/method_resolution.rs#L369) is unknown for many cases
* The trait solution [here](https://github.com/rust-analyzer/rust-analyzer/blob/master/crates/ra_hir_ty/src/method_resolution.rs#L399) is also often ambiguous
That results in trait candidates being rejected, and some real cases not supported.
Example: no imports for `String::from_str("test")`
Co-authored-by: Kirill Bulatov <mail4score@gmail.com>
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