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Nov 29, 2016
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No CotW, but some notable changes #349

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45 changes: 27 additions & 18 deletions drafts/2016-11-29-this-week-in-rust.md
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Expand Up @@ -22,9 +22,7 @@ If you find any errors in this week's issue, [please submit a PR](https://github

# Crate of the Week

This week's Crate of the Week is [cargo-benchcmp](https://github.com/BurntSushi/cargo-benchcmp). `cargo-benchcmp` generates nice before-after summaries for benchmarks.

Thanks to [bluss](https://users.rust-lang.org/users/bluss) for this week's suggestion. [Submit your suggestions and votes for next week][submit_crate]!
Since there were no nominations, this week has to go without a Crate of the Week. Sorry. [Submit your suggestions and votes for next week][submit_crate]!

[submit_crate]: https://users.rust-lang.org/t/crate-of-the-week/2704

Expand All @@ -49,21 +47,32 @@ If you are a Rust project owner and are looking for contributors, please submit

# Updates from Rust Core

105 pull requests were [merged in the last week][merged].

[merged]: https://github.com/issues?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2016-11-14..2016-11-21

* [Add `std::process::abort`](https://github.com/rust-lang/rust/pull/37833).
* [Remove `scope_auxiliary`](https://github.com/rust-lang/rust/pull/37764).
* [rustdoc: add cli argument `--playground-url`](https://github.com/rust-lang/rust/pull/37763).
* [Don't clone in `UnificationTable::probe()`](https://github.com/rust-lang/rust/pull/37848).
* [enable the MSP430 LLVM backend](https://github.com/rust-lang/rust/pull/37672).
* [rustc: Implement `#[link(cfg(..))]` and crt-static](https://github.com/rust-lang/rust/pull/37545).
* [Stabilize RFC 1560 (Changes to name resolution)](https://github.com/rust-lang/rust/pull/37127).
* [Fix grammar verification](https://github.com/rust-lang/rust/pull/37607).
* [Improve `.chars().count()`](https://github.com/rust-lang/rust/pull/37888).
* [Optimise `Chars::last()`](https://github.com/rust-lang/rust/pull/37882).
* [Macro parser performance improvements and refactoring](https://github.com/rust-lang/rust/pull/37701).
66 pull requests were [merged in the last week][merged]. Not much, but there were a good number of awesome changes:

[merged]: https://github.com/issues?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2016-11-21..2016-11-28

* [Implement `break` with value](https://github.com/rust-lang/rust/pull/37487) ([RFC #1624](https://github.com/rust-lang/rfcs/blob/master/text/1624-loop-break-value.md))
* [Stabilized name resolution changes](https://github.com/rust-lang/rust/pull/37127) ([RFC #1560](https://github.com/rust-lang/rfcs/blob/master/text/1560-name-resolution.md))
* [Implement panic-safe slicing](https://github.com/rust-lang/rust/pull/36340) ([RFC #1679](https://github.com/rust-lang/rfcs/blob/master/text/1679-panic-safe-slicing.md))
* [Make more types uninhabited](https://github.com/rust-lang/rust/pull/36449)
* [Pad const enums only once](https://github.com/rust-lang/rust/pull/38023)
* [Simplify `HashMap` probing](https://github.com/rust-lang/rust/pull/38022)
* [Reduce type construction calls](https://github.com/rust-lang/rust/pull/37979), [Reduce allocations while walking types](https://github.com/rust-lang/rust/pull/37760),
[make HirVec smaller](https://github.com/rust-lang/rust/pull/37642) – nnethercote is at it again…
* [Improve macro name resolution performance](https://github.com/rust-lang/rust/pull/37951)
* [Forward `ExactSizeIterator` on some adapters](https://github.com/rust-lang/rust/pull/37944) (for improved performance in some cases)
* [Faster `.is_empty()` for slice and vec iterators](https://github.com/rust-lang/rust/pull/37943)
* [Faster character count](https://github.com/rust-lang/rust/pull/37888)
* [`.set_permissions(_)` for open `File`s](https://github.com/rust-lang/rust/pull/37886)
* [Lifetimes in associated types now a hard error](https://github.com/rust-lang/rust/pull/37843)
* [`Peekable` now remembers seeing a `None`](https://github.com/rust-lang/rust/pull/37834)
* [Epic AST/HIR symbol refactoring](https://github.com/rust-lang/rust/pull/37824)
* [Simplified directory ownership](https://github.com/rust-lang/rust/pull/37602) (breaking change)
* [Crate type metadata](https://github.com/rust-lang/rust/pull/37681)
* [`-Z print-type-sizes`](https://github.com/rust-lang/rust/pull/37770)
* [rustbuild can now `bench`](https://github.com/rust-lang/rust/pull/38008)
* [Cargo now compiles OpenSSL from source on OS X](https://github.com/rust-lang/cargo/pull/3332)


## New Contributors

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