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2017-09-24Backport libs stabilizations to 1.21 betaDavid Tolnay-6/+6
This includes the following stabilizations: - tcpstream_connect_timeout https://github.com/rust-lang/rust/pull/44563 - iterator_for_each https://github.com/rust-lang/rust/pull/44567 - ord_max_min https://github.com/rust-lang/rust/pull/44593 - compiler_fences https://github.com/rust-lang/rust/pull/44595 - needs_drop https://github.com/rust-lang/rust/pull/44639 - vec_splice https://github.com/rust-lang/rust/pull/44640
2017-09-23Fix capacity comparison in reserveSteven Fackler-1/+1
You can otherwise end up in a situation where you don't actually resize but still call into handle_cap_increase which then corrupts head/tail. Closes #44800
2017-09-22Add support for `..=` syntaxAlex Burka-39/+39
Add ..= to the parser Add ..= to libproc_macro Add ..= to ICH Highlight ..= in rustdoc Update impl Debug for RangeInclusive to ..= Replace `...` to `..=` in range docs Make the dotdoteq warning point to the ... Add warning for ... in expressions Updated more tests to the ..= syntax Updated even more tests to the ..= syntax Updated the inclusive_range entry in unstable book
2017-09-22Add missing links for ArcGuillaume Gomez-5/+8
2017-09-21Auto merge of #44682 - bluss:iter-rfold, r=dtolnaybors-0/+17
Add iterator method .rfold(init, function); the reverse of fold rfold is the reverse version of fold. Fold allows iterators to implement a different (non-resumable) internal iteration when it is more efficient than the external iteration implemented through the next method. (Common examples are VecDeque and .chain()). Introduce rfold() so that the same customization is available for reverse iteration. This is achieved by both adding the method, and by having the Rev\<I> adaptor connect Rev::rfold → I::fold and Rev::fold → I::rfold. On the surface, rfold(..) is just .rev().fold(..), but the special case implementations allow a data structure specific fold to be used through for example .iter().rev(); we thus have gains even for users never calling exactly rfold themselves.
2017-09-20Auto merge of #44355 - Xaeroxe:optimize_drain_filter, r=alexcrichtonbors-1/+7
Optimize drain_filter This PR cuts out two copies from each iteration of `drain_filter` by exchanging the swap operation for a copy_nonoverlapping function call instead. Since the data being swapped is not needed anymore we can just overwrite it instead.
2017-09-18alloc: Implement rfold for VecDeque iteratorsUlrik Sverdrup-0/+17
2017-09-18Add requested commentJacob Kiesel-0/+3
2017-09-18Rollup merge of #44640 - budziq:stabilize_splice, r=dtolnayAlex Crichton-8/+7
Stabilized vec_splice and modified splice tracking issue This stabilizes the vec_splice (Vec part of splice RFC) Fixes #32310.
2017-09-17Rollup merge of #44073 - murarth:rc-into-raw-unsized, r=alexcrichtonTim Neumann-33/+71
Implement `Arc`/`Rc` raw pointer conversions for `?Sized` * Add `T: ?Sized` bound to {`Arc`,`Rc`}::{`from_raw`,`into_raw`}
2017-09-17Updated tracking issue for String::splice and its unstable-book entryMichal Budzynski-1/+1
2017-09-17stabilized vec_splice (fixes #32310)Michal Budzynski-7/+6
2017-09-16Rollup merge of #44273 - bluss:rc-downcast, r=alexcrichtonAlex Crichton-0/+61
Implement <Rc<Any>>::downcast * Implement `<Rc<Any>>::downcast::<T>` * New unstable method. Works just like Box\<Any\>, but for Rc. * Any has two cases for its methods: Any and Any + Send; Rc is never Send, so that case is skipped for Rc. * Motivation for being a method with self is to match Box and there is no user-supplied type; the inner type is Any and downcast does not conflict with any method of Any. * Arc was skipped because Any itself has no downcast for the case that makes most sense: Any + Send + Sync
2017-09-16Implement `Arc`/`Rc` raw pointer conversions for `?Sized`Murarth-33/+71
* Add `T: ?Sized` bound to {`Arc`,`Rc`}::{`from_raw`,`into_raw`}
2017-09-15alloc: Add tracking issue for rc_downcastUlrik Sverdrup-1/+1
2017-09-14Rollup merge of #44572 - frewsxcv:frewsxcv-from-utf16-lossy, r=QuietMisdreavusCorey Farwell-0/+7
Clarify return type of `String::from_utf16_lossy`. Fixes https://github.com/rust-lang/rust/issues/32874
2017-09-14Rollup merge of #44559 - frewsxcv:frewsxcv-rm-loop, r=sfacklerCorey Farwell-8/+6
Remove unneeded `loop`. None
2017-09-14Rollup merge of #44536 - Havvy:transmute-docs, r=steveklabnikCorey Farwell-0/+1
Fix example in transmute; add safety requirement to Vec::from_raw_parts This fixes the second bullet point on #44281 and also removes some incorrect information.
2017-09-14Rollup merge of #44534 - adlerd:drain_filter_doctest, r=blussCorey Farwell-3/+6
Fix drain_filter doctest. Fixes #44499. Also change some of the hidden logic in the doctest as a regression test; two bugs in the original would now cause test failure.
2017-09-14Rollup merge of #44521 - rwakulszowa:str_utf16_doc, r=frewsxcvCorey Farwell-0/+13
Add an example of std::str::encode_utf16 Closes #44419
2017-09-14Rollup merge of #44497 - tommyip:doc_example, r=frewsxcvCorey Farwell-0/+11
Add doc example to str::from_boxed_utf8_unchecked Fixes #44463.
2017-09-14Rollup merge of #44485 - 42triangles:master, r=frewsxcvCorey Farwell-0/+11
Added an example for `std::str::into_boxed_bytes()` This solves issue #44423.
2017-09-14Rollup merge of #44453 - tommyip:doc_string_as_mut_str, r=frewsxcvCorey Farwell-1/+16
Add doc example to String::as_mut_str Fixes #44429.
2017-09-14Clarify return type of `String::from_utf16_lossy`.Corey Farwell-0/+7
Fixes https://github.com/rust-lang/rust/issues/32874
2017-09-13Remove unneeded `loop`.Corey Farwell-8/+6
2017-09-13Fix example in transmute; add safety requirement to Vec::from_raw_partsHavvy-0/+1
2017-09-12Fix drain_filter doctest.David Adler-3/+6
2017-09-12Auto merge of #44015 - kennytm:hasher, r=alexcrichtonbors-2/+64
impl Hasher for {&mut Hasher, Box<Hasher>} **Rationale:** The `Hash` trait has `fn hash<H: Hasher>(&self, state: &mut H)`, which can only accept a `Sized` hasher, even if the `Hasher` trait is object-safe. We cannot retroactively add the `?Sized` bound without breaking stability, thus implementing `Hasher` to a trait object reference is the next best solution. **Warning:** These `impl` are insta-stable, and should need an FCP. I don't think a full RFC is necessary.
2017-09-12Add an example of std::str::encode_utf16rwakulszowa-0/+13
Closes #44419
2017-09-12Auto merge of #44344 - jonhoo:entry_or_default, r=BurntSushibors-0/+27
Add or_default to Entry APIs As argued for in #44324, this PR adds a new `or_default` method to the various `Entry` APIs (currently just for `BTreeMap` and `HashMap`) when `V: Default`. This method is effectively a shorthand for `or_insert_with(Default::default)`.
2017-09-12Disable the new Hasher tests on Emscripten.kennytm-0/+3
2017-09-12impl Hasher for {&mut Hasher, Box<Hasher>}kennytm-2/+61
2017-09-11Try using ref to raw conversionJacob Kiesel-2/+2
2017-09-11Add doc example to str::from_boxed_utf8_uncheckedTommy Ip-0/+11
Fixes #44463.
2017-09-11Removed trailing whitespace42triangles-1/+1
2017-09-11Added an example for `std::str::into_boxed_bytes()`42triangles-0/+11
2017-09-10Add doc example to String::as_mut_strTommy Ip-1/+16
Fixes #44429.
2017-09-10Rollup merge of #44467 - toidiu:ak-44382, r=frewsxcvGuillaume Gomez-7/+16
documentation update to demonstrate mutability #44467 - demonstrate correct implementation returns `Some` - demonstrate out of bounds returns `None` - demonstrate mutability
2017-09-10Rollup merge of #44457 - napen123:master, r=frewsxcvGuillaume Gomez-0/+28
Add doc examples for str::as_bytes_mut Fixes #44427
2017-09-09documentation update to demonstrate mutabilitytoidiu-7/+16
2017-09-09Add doc examples for str::as_bytes_mutEthan Dagner-0/+28
Fixes #44427
2017-09-09Add doc example to String::as_strTommy Ip-0/+10
Fixes #44428.
2017-09-05Fix ownership issuesJacob Kiesel-1/+3
2017-09-05Remove unneeded copyJacob Kiesel-1/+2
2017-09-05Avoid weird or_insert_with exampleJon Gjengset-3/+1
2017-09-05Add or_default to Entry APIsJon Gjengset-0/+29
2017-09-04Make slice::split_at_mut example demonstrate mutabilityNiels Egberts-20/+25
Moved the examples from split_at_mut to split_at so the example at split_at_mut can just demonstrate mutability.
2017-09-03alloc: Implement downcast Rc<Any> -> Rc<T>Ulrik Sverdrup-0/+61
Implement downcast the like it exists for Box. The implementation avoids using into_raw/from_raw, because the pointer arithmetic which should cancel does not seem to optimize out at the moment. Since Rc<T> is never Send, only Rc<Any> and not Rc<Any + Send> implements downcast.
2017-08-30Rollup merge of #44160 - AndyGauge:api-docs-macros, r=steveklabnikAlex Crichton-7/+22
API docs: macros. Standard Documentation Checklist Fixes #29381 r? @steveklabnik
2017-08-30Rollup merge of #44044 - mattico:string-splice-return, r=dtolnayAlex Crichton-107/+24
Remove Splice struct return value from String::splice The implementation is now almost identical to the one in the RFC. Fixes #44038 cc #32310
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