56cd04af5c
Ensure that queries only return Copy types. This should pervent the perf footgun of returning a result with an expensive `Clone` impl (like a `Vec` of a hash map). I went for the stupid solution of allocating on an arena everything that was not `Copy`. Some query results could be made Copy easily, but I did not really investigate. |
||
|---|---|---|
| .. | ||
| src | ||
| Cargo.toml | ||
| README.md | ||
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.