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[RFC 2091] Add #[track_caller] attribute.

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- The attribute is behind a feature gate.
- Error if both #[naked] and #[track_caller] are applied to the same function.
- Error if #[track_caller] is applied to a non-function item.
- Error if ABI is not "rust"
- Error if #[track_caller] is applied to a trait function.

Error codes and descriptions are pending.
This commit is contained in:
Ayose 2019-07-20 00:55:58 +00:00 • committed by Adam Perry
parent e3cb9ea15a
commit 543449d4fd
22 changed files with 199 additions and 1 deletions
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src/doc/unstable-book/src/language-features/track-caller.md Normal file
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# `track_caller`
The tracking issue for this feature is: [#47809](https://github.com/rust-lang/rust/issues/47809).
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