Rollup of 14 pull requests #80994
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Rollup of 14 pull requests #80994
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This brings in an implementation of `current_dir` and `set_current_dir` (emulation in `wasi-libc`) as well as an updated version of finding relative paths. This also additionally updates clang to the latest release to build wasi-libc with.
The equivalent of `std::fs::read_to_string`, but generalized to all `Read` impls. As the documentation on `std::io::read_to_string` says, the advantage of this function is that it means you don't have to create a variable first and it provides more type safety since you can only get the buffer out if there were no errors. If you use `Read::read_to_string`, you have to remember to check whether the read succeeded because otherwise your buffer will be empty. It's friendlier to newcomers and better in most cases to use an explicit return value instead of an out parameter.
The ICE message is somewhat confusing and overly specific - the issue is that there's no MIR available. This should make debugging these ICEs easier since the error tells you what's actually wrong, not what it was trying to do when it failed. cc rust-lang#80952 (comment)
">" is right alignment, not left
See rust-lang#77853 (review) Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
This went unused in commit 88d874d, part of rust-lang#68965.
std: Update wasi-libc commit of the wasm32-wasi target This brings in an implementation of `current_dir` and `set_current_dir` (emulation in `wasi-libc`) as well as an updated version of finding relative paths. This also additionally updates clang to the latest release to build wasi-libc with.
Recommend panic::resume_unwind instead of panicking. Fixes rust-lang#79950.
Add a `std::io::read_to_string` function I recognize that you're usually supposed to open an issue first, but the implementation is very small so it's okay if this is closed and it was 'wasted work' :) ----- The equivalent of `std::fs::read_to_string`, but generalized to all `Read` impls. As the documentation on `std::io::read_to_string` says, the advantage of this function is that it means you don't have to create a variable first and it provides more type safety since you can only get the buffer out if there were no errors. If you use `Read::read_to_string`, you have to remember to check whether the read succeeded because otherwise your buffer will be empty. It's friendlier to newcomers and better in most cases to use an explicit return value instead of an out parameter.
Remove unreachable panics from VecDeque::{front/back}[_mut]
`VecDeque`'s `front`, `front_mut`, `back` and `back_mut` methods are implemented in terms of the index operator, which causes these functions to contain [unreachable panic calls](https://rust.godbolt.org/z/MTnq1o).
This PR reimplements these methods in terms of `get[_mut]` instead.
Use Option::map_or instead of `.map(..).unwrap_or(..)` `@rustbot` modify labels +C-cleanup +T-compiler
Deprecate-in-future the constants superceded by RFC 2700 Successor to rust-lang#78335, re-opened after addressing the issues tracked in rust-lang#68490. This PR makes use of the new ability to explicitly annotate an item as triggering the deprecated-in-future lint (via `rustc_deprecated(since="TBD"`, see rust-lang#78381). We might call this *soft deprecation*; unlike with deprecation, users will *not* receive warnings when compiling code that uses these items *unless* they opt-in via `#[warn(deprecated_in_future)]`. Like deprecation, soft deprecation causes documentation to formally acknowledge that an item is marked for eventual deprecation (at a non-specific point in the future). With this new ability, we can sidestep all debate about when or on what timeframe something ought to be deprecated; as long as we can agree that something ought to be deprecated, we can receive much of the benefits of deprecation with none of the drawbacks. For these items specifically, the libs team has already agreed that they should be deprecated (see rust-lang#68490 (comment)).
…=m-ou-se Deprecate atomic::spin_loop_hint in favour of hint::spin_loop For rust-lang#55002 We wanted to leave `atomic::spin_loop_hint` alone when stabilizing `hint::spin_loop` so folks had some time to migrate. This now deprecates `atomic_spin_loop_hint`.
Use better ICE message when no MIR is available The ICE message is somewhat confusing and overly specific - the issue is that there's no MIR available. This should make debugging these ICEs easier since the error tells you what's actually wrong, not what it was trying to do when it failed. cc rust-lang#80952 (comment) cc `@jyn514`
…gisa Remove unstable deprecated Vec::remove_item Closes rust-lang#40062 The `Vec::remove_item` method was deprecated in `1.46.0` (in August of 2020). This PR now removes that unstable method entirely.
Update books ## nomicon 2 commits in a5a48441d411f61556b57d762b03d6874afe575d..a8584998eacdea7106a1dfafcbf6c1c06fcdf925 2020-12-06 10:39:41 +0900 to 2021-01-06 12:49:49 -0500 - Update vector code examples - Remove outdated information about `jemalloc` ## reference 13 commits in b278478b766178491a8b6f67afa4bcd6b64d977a..50af691f838937c300b47812d0507c6d88c14f97 2020-12-21 18:18:03 -0800 to 2021-01-12 21:19:20 -0800 - Update grammar for parser unification. (rust-lang/reference#927) - Define constraining an implementation (rust-lang/reference#928) - Document extra behavior of #[no_mangle] (rust-lang/reference#930) - Add a float examle without a `.`. (rust-lang/reference#929) - Add more details about const generics. (rust-lang/reference#921) - Fix footnotes. (rust-lang/reference#926) - Add "Logic errors" as behavior not considered unsafe (rust-lang/reference#919) - Update grammar for order of parameters/arguments. (rust-lang/reference#920) - Fix formatting in the tuple section (rust-lang/reference#923) - document const generics (rust-lang/reference#901) - Update mdbook (rust-lang/reference#918) - linkage.md: update link to FFI section of the Book. (rust-lang/reference#917) - Document array expression with a const. (rust-lang/reference#914) ## book 8 commits in 5bb44f8b5b0aa105c8b22602e9b18800484afa21..ac57a0ddd23d173b26731ccf939f3ba729753275 2020-12-18 20:07:31 -0500 to 2021-01-09 14:18:45 -0500 - Update version of mdbook we're testing with to 0.4.5 (rust-lang/book#2561) - Fix grammar in ch13-01-closures.md (rust-lang/book#2534) - Merge remote-tracking branch 'origin/pr/2527' - Clarify code example ch6.3 (rust-lang/book#2485) - Fix link added in rust-lang/book#2495 to be relative and at the bottom - Merge remote-tracking branch 'origin/pr/2495' - Update output to match the updated poem punctuation - Fix rust-lang/book#2539 - Remove fancy apostrophes from poem for Windows ## rust-by-example 3 commits in 1cce0737d6a7d3ceafb139b4a206861fb1dcb2ab..03e23af01f0b4f83a3a513da280e1ca92587f2ec 2020-12-21 17:36:29 -0300 to 2021-01-09 10:20:28 -0300 - Replace for loop with iteration (rust-lang/rust-by-example#1404) - Update mdbook (rust-lang/rust-by-example#1402) - Add note for match guards to include catch-all (rust-lang/rust-by-example#1401) ## embedded-book 1 commits in ba34b8a968f9531d38c4dc4411d5568b7c076bfe..ceec19e873be87c6ee5666b030c6bb612f889a96 2020-11-17 00:20:43 +0000 to 2021-01-03 13:13:10 +0000 - book.toml: add link to GitHub repo (rust-embedded/book#276)
Fixed incorrect doc comment ">" is right alignment, not left
…evink Fix -Cpasses=list and llvm version print with -vV cc rust-lang#77975 (comment)
Fix stabilisation version of slice_strip See rust-lang#77853 (review) Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
llvm: Remove the unused context from CreateDebugLocation This went unused in commit 88d874d, part of rust-lang#68965.
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@bors r+ p=14 rollup=never |
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⌛ Testing commit 800aa61 with merge 0f9926d02de7ebbe319d991f90a4dfb64ed100ed... |
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Successful merges:
std::io::read_to_stringfunction #80217 (Add astd::io::read_to_stringfunction).map(..).unwrap_or(..)#80944 (Use Option::map_or instead of.map(..).unwrap_or(..))Failed merges:
r? @ghost
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