Explain the important concepts of exhaustiveness checking #1830
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tshepang
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Update books ## rust-lang/nomicon 1 commits in f6bd083c4ccfc4ce6699b8b4154e3c45c5a27a8c..6bc2415218d4dd0cb01433d8320f5ccf79c343a1 2024-01-03 04:01:04 UTC to 2024-01-03 04:01:04 UTC - Update an example of `thread_local` to use `local_key_cell_methods` (rust-lang/nomicon#438) ## rust-lang/reference 1 commits in 3565c7978cfc9662f5963b135690ff9cbbfa0318..8c77e8be9da1a9c70545556218d563c8d061f1fd 2024-01-08 15:16:51 UTC to 2024-01-08 15:16:51 UTC - Document that <- is a single token (rust-lang/reference#1424) ## rust-lang/rust-by-example 4 commits in c0be6299e52e4164c30ba6f41bd0ad0aaee64972..ddf5cb0e6ee54ba2dd84c8ca3e1314120014e20d 2024-01-13 11:06:22 UTC to 2024-01-13 11:01:00 UTC - Update attribute.md, (rust-lang/rust-by-example#1791) - fix: typo `unusude` (rust-lang/rust-by-example#1797) - Update print.md (rust-lang/rust-by-example#1796) - Update alias.md (rust-lang/rust-by-example#1790) ## rust-lang/rustc-dev-guide 4 commits in d13e851..4af29d1 2024-01-14 10:42:53 UTC to 2024-01-06 17:47:01 UTC - Expand upon PR guidelines (rust-lang/rustc-dev-guide#1851) - Correct the link to rust reference (rust-lang/rustc-dev-guide#1848) - Explain the important concepts of exhaustiveness checking (rust-lang/rustc-dev-guide#1830) - Add guide for rustdoc search implementation (rust-lang/rustc-dev-guide#1846)
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Rollup merge of rust-lang#119998 - rustbot:docs-update, r=ehuss Update books ## rust-lang/nomicon 1 commits in f6bd083c4ccfc4ce6699b8b4154e3c45c5a27a8c..6bc2415218d4dd0cb01433d8320f5ccf79c343a1 2024-01-03 04:01:04 UTC to 2024-01-03 04:01:04 UTC - Update an example of `thread_local` to use `local_key_cell_methods` (rust-lang/nomicon#438) ## rust-lang/reference 1 commits in 3565c7978cfc9662f5963b135690ff9cbbfa0318..8c77e8be9da1a9c70545556218d563c8d061f1fd 2024-01-08 15:16:51 UTC to 2024-01-08 15:16:51 UTC - Document that <- is a single token (rust-lang/reference#1424) ## rust-lang/rust-by-example 4 commits in c0be6299e52e4164c30ba6f41bd0ad0aaee64972..ddf5cb0e6ee54ba2dd84c8ca3e1314120014e20d 2024-01-13 11:06:22 UTC to 2024-01-13 11:01:00 UTC - Update attribute.md, (rust-lang/rust-by-example#1791) - fix: typo `unusude` (rust-lang/rust-by-example#1797) - Update print.md (rust-lang/rust-by-example#1796) - Update alias.md (rust-lang/rust-by-example#1790) ## rust-lang/rustc-dev-guide 4 commits in d13e851..4af29d1 2024-01-14 10:42:53 UTC to 2024-01-06 17:47:01 UTC - Expand upon PR guidelines (rust-lang/rustc-dev-guide#1851) - Correct the link to rust reference (rust-lang/rustc-dev-guide#1848) - Explain the important concepts of exhaustiveness checking (rust-lang/rustc-dev-guide#1830) - Add guide for rustdoc search implementation (rust-lang/rustc-dev-guide#1846)
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Exhaustiveness checking is pretty intricate and interesting, so I thought (and it was suggested to me) I'd provide a bit more detail here. These subsections are uplifted almost wholesale from the doc-comments of the relevant modules (including this PR).