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path: root/src/liballoc/sync.rs
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2019-11-21Make Weak::weak_count() return zero when no strong refs remainBryan Donlan-23/+13
2019-11-21Stabilize `std::{rc,sync}::Weak::{weak_count, strong_count}`Bryan Donlan-2/+2
Closes: #57977
2019-11-09Remove Layout::pad_to_unlign unwrapChristopher Durham-1/+1
2019-11-05Reverted PhantomData in LinkedList, fixed PhantomData markers in Rc and ArcOleg Nosov-1/+1
2019-11-05alloc: Add new_zeroed() versions like new_uninit().Emilio Cobos Álvarez-0/+29
MaybeUninit has both uninit() and zeroed(), it seems reasonable to have the same surface on Box/Rc/Arc. Needs tests.
2019-10-22Apply clippy::needless_return suggestionsMateusz Mikuła-1/+1
2019-10-19do all the same edits with ArcRalf Jung-51/+65
2019-10-01Remove unneeded `fn main` blocks from docsLzu Tao-5/+3
2019-09-14Rollup merge of #61797 - Thomasdezeeuw:stablise-weak_ptr_eq, r=RalfJungMazdak Farrokhzad-6/+4
Stabilise weak_ptr_eq Implemented in #55987. Closes #55981.
2019-09-06A few cosmetic improvements to code & comments in liballoc and libcoreAlexander Regueiro-1/+1
2019-08-25Update {rc, sync}::Weak::ptr_eq doc about comparing Weak::newThomas de Zeeuw-3/+3
2019-08-25Stabilise weak_ptr_eqThomas de Zeeuw-3/+1
2019-08-19Rollup merge of #63252 - nrc:arc-doc, r=alexcrichtonMazdak Farrokhzad-4/+0
Remove recommendation about idiomatic syntax for Arc::clone I believe we should not make this recommendation. I don't want to argue that `Arc::clone` is less idiomatic than `arc.clone`, but that the choice is not clear cut and that we should not be making this kind of call in the docs. The `.clone()` form has advantages too: it is more succinct, it is more likely to be understood by beginners, and it is more uniform with other `clone` calls, indeed with most other method calls. Whichever approach is better, I think that this discussion belongs in a style guide or textbook, rather than the library docs. We don't talk much about idiomatic code in the docs, this place is pretty exceptional. The recommendation is also not followed in this repo. It is hard to figure out how many calls there are of the `.clone()` form, but there are 1550 uses of `Arc` and only 65 uses of `Arc::clone`. The recommendation has existed for over two years. The recommendation was added in https://github.com/rust-lang/rust/pull/42137, as a result of https://github.com/rust-lang/rfcs/pull/1954. However, note that that RFC was closed because it was not necessary to change the docs (the original RFC proposed a new function instead). So I don't think an RFC is necessary here (and I'm not trying to re-litigate the discussion on that RFC (which favoured `Arc::clone` as idiomatic) in any case). cc @nical (who added the docs in the first place; sorry :-) ) r? @alexcrichton (or someone else on @rust-lang/libs )
2019-08-17Rename private helper method allocate_for_unsized to allocate_for_layoutSimon Sapin-5/+5
2019-08-17Doc nitsSimon Sapin-5/+5
Co-Authored-By: Ralf Jung <post@ralfj.de>
2019-08-16Relax the safety condition for get_mut_uncheckedSimon Sapin-2/+4
2019-08-16Reuse more internal Rc and Arc methodsSimon Sapin-35/+7
2019-08-16Add a comment on the usage of Layout::new::<RcBox<()>>()Simon Sapin-0/+2
2019-08-16Add tracking issue numbersSimon Sapin-5/+5
2019-08-16Use ManuallyDrop instead of mem::forgetSimon Sapin-6/+2
Per https://github.com/rust-lang/rust/pull/62451#discussion_r303197278
2019-08-16Fix intra-rustdoc linksSimon Sapin-1/+5
2019-08-16Move constructors of boxed/rc’ed slices to matching `impl` blocksSimon Sapin-45/+47
2019-08-16Add new_uninit_slice and assume_init on Box, Rc, and Arc of [T]Simon Sapin-5/+93
2019-08-16Add new_uninit and assume_init on Box, Rc, and ArcSimon Sapin-0/+81
2019-08-16Add Rc::get_mut_unchecked, Arc::get_mut_uncheckedSimon Sapin-1/+30
2019-08-05Add implementations for converting boxed slices into boxed arraysJake Goulding-1/+18
This mirrors the implementations of reference slices into arrays.
2019-08-04Remove recommendation about idiomatic syntax for Arc::CloneNick Cameron-4/+0
Signed-off-by: Nick Cameron <nrc@ncameron.org>
2019-08-02liballoc: Unconfigure tests during normal buildVadim Petrochenkov-483/+3
Remove additional libcore-like restrictions from liballoc, turns out the testing works ok if the tests are a part of liballoc itself.
2019-07-18Fix clippy::clone_on_copy warningsMateusz Mikuła-1/+1
2019-07-13Auto merge of #61953 - Centril:shared-from-iter, r=RalfJungbors-66/+198
Add `impl<T> FromIterator<T> for Arc/Rc<[T]>` Add implementations of `FromIterator<T> for Arc/Rc<[T]>` with symmetrical logic. This also takes advantage of specialization in the case of iterators with known length (`TrustedLen`) to elide the final allocation/copying from a `Vec<T>` into `Rc<[T]>` because we can allocate the space for the `Rc<[T]>` directly when the size is known. This is the primary motivation and why this is to be preferred over `iter.collect::<Vec<_>>().into(): Rc<[T]>`. Moreover, this PR does some refactoring in some places. r? @RalfJung for the code cc @alexcrichton from T-libs
2019-07-06Rollup merge of #61862 - vorner:weak-into-raw-methods, r=sfacklerMazdak Farrokhzad-15/+15
Make the Weak::{into,as}_raw methods Because Weak doesn't Deref, so there's no reason for them to be only associated methods. As kindly pointed out here https://github.com/rust-lang/rust/pull/60766#issuecomment-501706422 by @chpio.
2019-06-21shared_from_iter: Polish internal docs.Mazdak Farrokhzad-16/+16
2019-06-20shared_from_iter: Clarify slice::Iter specialization impl.Mazdak Farrokhzad-2/+8
2019-06-20data_offset_align: add inline attribute.Mazdak Farrokhzad-0/+1
2019-06-20deduplicate slice_from_raw_parts_mut.Mazdak Farrokhzad-17/+1
2019-06-20shared_from_iter/Arc: Use specialization to elide allocation.Mazdak Farrokhzad-40/+167
2019-06-20Arc: refactor data_offset{_sized}.Mazdak Farrokhzad-8/+9
2019-06-20Arc: refactor away PhantomData noise.Mazdak Farrokhzad-15/+21
2019-06-20Add basic 'shared_from_iter' impls.Mazdak Farrokhzad-0/+7
2019-06-16make `Weak::ptr_eq`s into methodsThomas Heck-7/+7
2019-06-15Make the Weak::{into,as}_raw methodsMichal 'vorner' Vaner-15/+15
Because Weak doesn't Deref, so there's no reason for them to be only associated methods.
2019-06-13docs: Use String in Rc::into_raw examplesMichal 'vorner' Vaner-14/+14
It is unclear if accessing an integer after `drop_in_place` has been called on it is undefined behaviour or not, as demonstrated by the discussion in https://github.com/rust-lang/rust/pull/60766#pullrequestreview-243414222. Avoid these uncertainties by using String which frees memory in its `drop_in_place` to make sure this is undefined behaviour. The message in the docs should be to watch out and not access the data after that, not discussing when one maybe could get away with it O:-).
2019-05-26sync::Weak::{as,from,into}_rawMichal 'vorner' Vaner-6/+158
Methods on the Weak to access it as raw pointer to the data.
2019-05-11add comment to `Rc`/`Arc`'s `Eq` specializationThomas Heck-0/+5
2019-04-18make liballoc internal test suite mostly pass in MiriRalf Jung-0/+2
2019-02-10libs: doc commentsAlexander Regueiro-4/+4
2019-02-03liballoc: revert nested imports style changes.Mazdak Farrokhzad-42/+36
2019-02-02liballoc: fix some idiom lints.Mazdak Farrokhzad-4/+4
2019-02-02liballoc: elide some lifetimes.Mazdak Farrokhzad-2/+2
2019-02-02liballoc: adjust abolute imports + more import fixes.Mazdak Farrokhzad-2/+1
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