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update new trait solver docs #1802
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src/solve/invariants.md
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relies on *completeness* of the trait solver, it is not able to use the current region constraints | ||
check - `InferCtxt::resolve_regions` - as its handling of type outlives goals is incomplete. | ||
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### Normalization of semantically equal aliases empty environments results in a unique type ✅ |
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### Normalization of semantically equal aliases empty environments results in a unique type ✅ | |
### Normalization of semantically equal aliases in empty environments results in a unique type ✅ |
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- ✅: this invariant mostly holds, with some weird exceptions, you can rely on it outside | ||
of these cases | ||
- ❌: this invariant does not hold, either due to bugs or by design, you must not rely on |
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I wonder if we should distinguish "by design" or "due to bugs".
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I think it would be nice to distinguish yeah, maybe we can do that as a followup.
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I know this has some FIXMEs and TODOs and the comment from @compiler-errors error that could be addressed but this is a huge improvement over what we currently have so I'm merging this and we can continue improving things in followups. |
Update books ## rust-lang/reference 2 commits in 5262e1c3b43a2c489df8f6717683a44c7a2260fd..142b2ed77d33f37a9973772bd95e6144ed9dce43 2023-10-07 19:41:21 UTC to 2023-09-26 12:26:35 UTC - replace 'UB on raw ptr deref' with UB on place projection/access (rust-lang/reference#1387) - docs: Fix links to ECMA standards in `attributes.md` (rust-lang/reference#1408) ## rust-lang/rust-by-example 11 commits in c954202c1e1720cba5628f99543cc01188c7d6fc..8eb3a01ab74c567b7174784892fb807f2c632d6b 2023-09-26 12:38:17 UTC to 2023-09-26 12:29:10 UTC - fixed a typo in the lifetime.md (rust-lang/rust-by-example#1737) - Misleading textual statement in HOF (rust-lang/rust-by-example#1731) - Equalize title from respective file with title in SUMMARY.md (rust-lang/rust-by-example#1738) - Added explanation for compiling and executing match_args.rs. (rust-lang/rust-by-example#1739) - Wrapped long lines and put #[doc] in backquotes. (rust-lang/rust-by-example#1740) - Update read_lines example to flatten iterator (rust-lang/rust-by-example#1742) - Update while_let.md: address inconsistent use of fn main between 2 co… (rust-lang/rust-by-example#1744) - [TRIVIAL] Remove confusing `also` (rust-lang/rust-by-example#1746) - Fix and extend the explanation of outer vs inner attributes. (rust-lang/rust-by-example#1748) - Fix uncorresponded back quote (rust-lang/rust-by-example#1749) - Fix format in constants.md (rust-lang/rust-by-example#1741) ## rust-lang/rustc-dev-guide 3 commits in a13b7c2..b98af7d 2023-10-05 19:48:35 UTC to 2023-09-27 22:57:27 UTC - update new trait solver docs (rust-lang/rustc-dev-guide#1802) - update rustc_driver examples (rust-lang/rustc-dev-guide#1803) - test headers: fix `compile-flags` example (rust-lang/rustc-dev-guide#1800)
Update books ## rust-lang/reference 2 commits in 5262e1c3b43a2c489df8f6717683a44c7a2260fd..142b2ed77d33f37a9973772bd95e6144ed9dce43 2023-10-07 19:41:21 UTC to 2023-09-26 12:26:35 UTC - replace 'UB on raw ptr deref' with UB on place projection/access (rust-lang/reference#1387) - docs: Fix links to ECMA standards in `attributes.md` (rust-lang/reference#1408) ## rust-lang/rust-by-example 11 commits in c954202c1e1720cba5628f99543cc01188c7d6fc..8eb3a01ab74c567b7174784892fb807f2c632d6b 2023-09-26 12:38:17 UTC to 2023-09-26 12:29:10 UTC - fixed a typo in the lifetime.md (rust-lang/rust-by-example#1737) - Misleading textual statement in HOF (rust-lang/rust-by-example#1731) - Equalize title from respective file with title in SUMMARY.md (rust-lang/rust-by-example#1738) - Added explanation for compiling and executing match_args.rs. (rust-lang/rust-by-example#1739) - Wrapped long lines and put #[doc] in backquotes. (rust-lang/rust-by-example#1740) - Update read_lines example to flatten iterator (rust-lang/rust-by-example#1742) - Update while_let.md: address inconsistent use of fn main between 2 co… (rust-lang/rust-by-example#1744) - [TRIVIAL] Remove confusing `also` (rust-lang/rust-by-example#1746) - Fix and extend the explanation of outer vs inner attributes. (rust-lang/rust-by-example#1748) - Fix uncorresponded back quote (rust-lang/rust-by-example#1749) - Fix format in constants.md (rust-lang/rust-by-example#1741) ## rust-lang/rustc-dev-guide 3 commits in a13b7c2..b98af7d 2023-10-05 19:48:35 UTC to 2023-09-27 22:57:27 UTC - update new trait solver docs (rust-lang/rustc-dev-guide#1802) - update rustc_driver examples (rust-lang/rustc-dev-guide#1803) - test headers: fix `compile-flags` example (rust-lang/rustc-dev-guide#1800)
Update books ## rust-lang/reference 2 commits in 5262e1c3b43a2c489df8f6717683a44c7a2260fd..142b2ed77d33f37a9973772bd95e6144ed9dce43 2023-10-07 19:41:21 UTC to 2023-09-26 12:26:35 UTC - replace 'UB on raw ptr deref' with UB on place projection/access (rust-lang/reference#1387) - docs: Fix links to ECMA standards in `attributes.md` (rust-lang/reference#1408) ## rust-lang/rust-by-example 11 commits in c954202c1e1720cba5628f99543cc01188c7d6fc..8eb3a01ab74c567b7174784892fb807f2c632d6b 2023-09-26 12:38:17 UTC to 2023-09-26 12:29:10 UTC - fixed a typo in the lifetime.md (rust-lang/rust-by-example#1737) - Misleading textual statement in HOF (rust-lang/rust-by-example#1731) - Equalize title from respective file with title in SUMMARY.md (rust-lang/rust-by-example#1738) - Added explanation for compiling and executing match_args.rs. (rust-lang/rust-by-example#1739) - Wrapped long lines and put #[doc] in backquotes. (rust-lang/rust-by-example#1740) - Update read_lines example to flatten iterator (rust-lang/rust-by-example#1742) - Update while_let.md: address inconsistent use of fn main between 2 co… (rust-lang/rust-by-example#1744) - [TRIVIAL] Remove confusing `also` (rust-lang/rust-by-example#1746) - Fix and extend the explanation of outer vs inner attributes. (rust-lang/rust-by-example#1748) - Fix uncorresponded back quote (rust-lang/rust-by-example#1749) - Fix format in constants.md (rust-lang/rust-by-example#1741) ## rust-lang/rustc-dev-guide 3 commits in a13b7c2..b98af7d 2023-10-05 19:48:35 UTC to 2023-09-27 22:57:27 UTC - update new trait solver docs (rust-lang/rustc-dev-guide#1802) - update rustc_driver examples (rust-lang/rustc-dev-guide#1803) - test headers: fix `compile-flags` example (rust-lang/rustc-dev-guide#1800)
Update books ## rust-lang/reference 2 commits in 5262e1c3b43a2c489df8f6717683a44c7a2260fd..142b2ed77d33f37a9973772bd95e6144ed9dce43 2023-10-07 19:41:21 UTC to 2023-09-26 12:26:35 UTC - replace 'UB on raw ptr deref' with UB on place projection/access (rust-lang/reference#1387) - docs: Fix links to ECMA standards in `attributes.md` (rust-lang/reference#1408) ## rust-lang/rust-by-example 11 commits in c954202c1e1720cba5628f99543cc01188c7d6fc..8eb3a01ab74c567b7174784892fb807f2c632d6b 2023-09-26 12:38:17 UTC to 2023-09-26 12:29:10 UTC - fixed a typo in the lifetime.md (rust-lang/rust-by-example#1737) - Misleading textual statement in HOF (rust-lang/rust-by-example#1731) - Equalize title from respective file with title in SUMMARY.md (rust-lang/rust-by-example#1738) - Added explanation for compiling and executing match_args.rs. (rust-lang/rust-by-example#1739) - Wrapped long lines and put #[doc] in backquotes. (rust-lang/rust-by-example#1740) - Update read_lines example to flatten iterator (rust-lang/rust-by-example#1742) - Update while_let.md: address inconsistent use of fn main between 2 co… (rust-lang/rust-by-example#1744) - [TRIVIAL] Remove confusing `also` (rust-lang/rust-by-example#1746) - Fix and extend the explanation of outer vs inner attributes. (rust-lang/rust-by-example#1748) - Fix uncorresponded back quote (rust-lang/rust-by-example#1749) - Fix format in constants.md (rust-lang/rust-by-example#1741) ## rust-lang/rustc-dev-guide 3 commits in a13b7c2..b98af7d 2023-10-05 19:48:35 UTC to 2023-09-27 22:57:27 UTC - update new trait solver docs (rust-lang/rustc-dev-guide#1802) - update rustc_driver examples (rust-lang/rustc-dev-guide#1803) - test headers: fix `compile-flags` example (rust-lang/rustc-dev-guide#1800)
Rollup merge of rust-lang#116574 - rustbot:docs-update, r=ehuss Update books ## rust-lang/reference 2 commits in 5262e1c3b43a2c489df8f6717683a44c7a2260fd..142b2ed77d33f37a9973772bd95e6144ed9dce43 2023-10-07 19:41:21 UTC to 2023-09-26 12:26:35 UTC - replace 'UB on raw ptr deref' with UB on place projection/access (rust-lang/reference#1387) - docs: Fix links to ECMA standards in `attributes.md` (rust-lang/reference#1408) ## rust-lang/rust-by-example 11 commits in c954202c1e1720cba5628f99543cc01188c7d6fc..8eb3a01ab74c567b7174784892fb807f2c632d6b 2023-09-26 12:38:17 UTC to 2023-09-26 12:29:10 UTC - fixed a typo in the lifetime.md (rust-lang/rust-by-example#1737) - Misleading textual statement in HOF (rust-lang/rust-by-example#1731) - Equalize title from respective file with title in SUMMARY.md (rust-lang/rust-by-example#1738) - Added explanation for compiling and executing match_args.rs. (rust-lang/rust-by-example#1739) - Wrapped long lines and put #[doc] in backquotes. (rust-lang/rust-by-example#1740) - Update read_lines example to flatten iterator (rust-lang/rust-by-example#1742) - Update while_let.md: address inconsistent use of fn main between 2 co… (rust-lang/rust-by-example#1744) - [TRIVIAL] Remove confusing `also` (rust-lang/rust-by-example#1746) - Fix and extend the explanation of outer vs inner attributes. (rust-lang/rust-by-example#1748) - Fix uncorresponded back quote (rust-lang/rust-by-example#1749) - Fix format in constants.md (rust-lang/rust-by-example#1741) ## rust-lang/rustc-dev-guide 3 commits in a13b7c2..b98af7d 2023-10-05 19:48:35 UTC to 2023-09-27 22:57:27 UTC - update new trait solver docs (rust-lang/rustc-dev-guide#1802) - update rustc_driver examples (rust-lang/rustc-dev-guide#1803) - test headers: fix `compile-flags` example (rust-lang/rustc-dev-guide#1800)
* rewrite requirements/invariants * add some more info about the trait solver * CI * review
wanted to do this for a while, cc @BoxyUwU @compiler-errors