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Document the 2021 edition changes to macros-by-example pat metavariables #1135

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merged 2 commits into from
Jan 13, 2022

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mattheww
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@mattheww mattheww commented Jan 9, 2022

Closes #1072

I've tried doing it with explicit "Edition Differences" blocks.

I've included a change under Follow-set Ambiguity Restrictions too.

I took some of the wording from parts of PR #957 which were left out at the time.

Do you think it's worth adding a note mentioning that the relevant edition
is the one in effect where the macro is defined, as opposed to invoked?

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ehuss commented Jan 10, 2022

Do you think it's worth adding a note mentioning that the relevant edition
is the one in effect where the macro is defined, as opposed to invoked?

Yea, I think that would be good to add. Thanks!

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Thanks!

@ehuss ehuss merged commit 5e89e63 into rust-lang:master Jan 13, 2022
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jan 19, 2022
Update books

## nomicon

1 commits in c05c452b36358821bf4122f9c418674edd1d713d..66d097d3d80e8f88c288c6879c7c2b909ecf8ad4
2021-12-13 15:23:48 +0900 to 2022-01-05 05:45:21 +0900
- Fix typo / type error in FFI code example (rust-lang/nomicon#327)

## reference

8 commits in f8ba2f12df60ee19b96de24ae5b73af3de8a446b..4dee6eb63d728ffb9e7a2ed443e9ada9275c69d2
2022-01-03 11:02:08 -0800 to 2022-01-18 09:26:33 -0800
- (minor) Remove Expression Path sub-types splits in Pattern specs (rust-lang/reference#1138)
- Document destructuring assignment (rust-lang/reference#1116)
- Document the 2021 edition changes to macros-by-example `pat` metavariables (rust-lang/reference#1135)
- Improve the documentation of macros-by-example metavariable names (rust-lang/reference#1130)
- trait-bounds.md: add pronoun 'that' (rust-lang/reference#1131)
- Say that macros-by-example `ident` metavariables can match raw identifiers (rust-lang/reference#1133)
- State in the UAX31 profile description that a lone `_` is not an identifier (rust-lang/reference#1129)
- Document syntax reserved in Rust 2021 (rust-lang/reference#1128)

## book

17 commits in d3740fb7aad0ea4a80ae20f64dee3a8cfc0c5c3c..f17df27fc14696912c48b8b7a7a8fa49e648088d
2022-01-03 21:46:04 -0500 to 2022-01-18 17:46:28 -0500
- Add a notice to the top of all nostarch snapshots
- Fix quotes
- Grammar (minor): 'or' → 'and' for enum variants
- Propagate edits of chapter 8 to src
- Replies to nostarch edits
- more edits
- ch8 from nostarch
- Fix grammar and line wrapping
- Merge remote-tracking branch 'origin/pr/2880'
- Remove wikipedia link
- Merge remote-tracking branch 'origin/pr/2927'
- Snapshot of ch14 for nostarch
- Backport fixes to chapter 14 noticed while doing nostarch snapshot
- Fix usage of find piped into xargs
- Adjust some more line numbers of Cargo.toml includes
- Merge branch '2909'
- Merge remote-tracking branch 'parkerziegler/fix/ch14-add-one-naming'

## rustc-dev-guide

7 commits in 875464457c4104686faf667f47848aa7b0f0a744..78dd6a4684cf8d6b72275fab6d0429ea40b66338
2021-12-28 22:17:49 -0600 to 2022-01-18 14:44:26 -0300
- Reorganize and expand the testing chapters. (rust-lang/rustc-dev-guide#1281)
- Add inline assembly internals (rust-lang/rustc-dev-guide#1266)
- Spelling: Rename `rust` to `Rust` (rust-lang/rustc-dev-guide#1288)
- Clean up section about FCPs (rust-lang/rustc-dev-guide#1287)
- Address more review comments in rust-lang/rustc-dev-guide#1286.
- Address review comments in rust-lang/rustc-dev-guide#1286.
- Streamline "Getting Started" some more.
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2021: Update for or-patterns changes
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