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fix line length

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mark 2020-04-30 22:41:58 -05:00 committed by Who? Me?!
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src/macro-expansion.md
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@ -143,7 +143,9 @@ chapter](./name-resolution.md).
[mresolve]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_resolve/macros/index.html
Here are some other notable data structures involved in expansion and integration:
- [`Resolver`] - a trait used to break crate dependencies. This allows the resolver services to be used in [`rustc_ast`], despite [`rustc_resolve`] and pretty much everything else depending on [`rustc_ast`].
- [`Resolver`] - a trait used to break crate dependencies. This allows the
resolver services to be used in [`rustc_ast`], despite [`rustc_resolve`] and
pretty much everything else depending on [`rustc_ast`].
- [`ExtCtxt`]/[`ExpansionData`] - various intermediate data kept and used by expansion
infrastructure in the process of its work
- [`Annotatable`] - a piece of AST that can be an attribute target, almost same