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(merge: 35a8d6f 25f0147)
Rollup merge of #106946 - dtolnay:hashlinecolumn, r=m-ou-se
authorMatthias Krüger <matthias.krueger@famsik.de>
Thu, 26 Jan 2023 06:53:24 +0000 (07:53 +0100)
committerGitHub <noreply@github.com>
Thu, 26 Jan 2023 06:53:24 +0000 (07:53 +0100)
commitd667105681726fe84ef6256b8a75b2e770bed3e6
tree87b00669fd6acf4cb99e95fe4944ed81bf0aa5dctree | snapshot
parent35a8d6fea4ae1770b1c819f7686be7b2355981c1commit | diff
parent25f0147db2ca7538ab9324d63bc1e0060f67f9c8commit | diff
Rollup merge of #106946 - dtolnay:hashlinecolumn, r=m-ou-se

implement Hash for proc_macro::LineColumn

For use in `HashMap<LineColumn, TokenTree>` or `HashMap<LineColumn, Comment>`, for example.

[Here is an example of one case complicated by the absence of this impl.](https://github.com/andrewbaxter/genemichaels/blob/71bc45e417c3f9dae09f890f1ec4630e758e5c70/src/comments.rs#L25-L34)

Tracking issue: https://github.com/rust-lang/rust/issues/54725
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