9e6c4fddda
Enforce closure args + return type are WF I found this out when investigating https://github.com/rust-lang/rust/issues/123461#issuecomment-2040894359. Turns out we don't register WF obligations for closure args and return types, leading to the ICE. ~~I think this is a useful thing to check for, but I'd like to check what the fallout is.~~ crater is complete. ~~Worst case, I think we should enforce this across an edition boundary (and possibly eventually migrate this for all editions) -- this should be super easy to do, since this is a check in HIR wfcheck, so it can be made edition dependent.~~ I believe the regressions are manageable enough to not necessitate edition-specific behavior. Fixes #123461 |
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README.md
This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Why Rust?
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Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrate with other languages.
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Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.
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Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).
Quick Start
Read "Installation" from The Book.
Installing from Source
If you really want to install from source (though this is not recommended), see INSTALL.md.
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Contributing
See CONTRIBUTING.md.
License
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See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.
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