f8d4ee7c7a
Refactor variance diagnostics to work with more types Instead of special-casing mutable pointers/references, we now support general generic types (currently, we handle `ty::Ref`, `ty::RawPtr`, and `ty::Adt`) When a `ty::Adt` is involved, we show an additional note explaining which of the type's generic parameters is invariant (e.g. the `T` in `Cell<T>`). Currently, we don't explain *why* a particular generic parameter ends up becoming invariant. In the general case, this could require printing a long 'backtrace' of types, so doing this would be more suitable for a follow-up PR. We still only handle the case where our variance switches to `ty::Invariant`. |
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| .. | ||
| bootstrap | ||
| build_helper | ||
| ci | ||
| doc | ||
| etc | ||
| librustdoc | ||
| llvm-project@6b3dbcc81a | ||
| rustdoc-json-types | ||
| test | ||
| tools | ||
| README.md | ||
| stage0.json | ||
| version | ||
This directory contains the source code of the rust project, including:
- The test suite
- The bootstrapping build system
- Various submodules for tools, like rustdoc, rls, etc.
For more information on how various parts of the compiler work, see the rustc dev guide.