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+Title: This Week in Rust 43
+Date: 2014-03-29 21:56
+Category: This Week in Rust
+
+
+Hello and welcome to another issue of *This Week in Rust*!
+[Rust](http://rust-lang.org) is a systems language pursuing the trifecta:
+safe, concurrent, and fast. This is a weekly summary of its progress and
+community. Want something mentioned? [Send me an
+email!](mailto:corey@octayn.net?subject=This%20Week%20in%20Rust%20Suggestion)
+Want to get involved? [We love
+contributions](https://github.com/mozilla/rust/wiki/Note-guide-for-new-contributors).
+
+The 0.10 release will likely be this week. 3 months from 0.9 is April 3.
+
+<!-- more -->
+
+# What's cooking on master?
+
+63 pull requests were merged this week.
+
+## Breaking Changes
+
+- The `sync` crate [has seen some significant
+  cleanup](https://github.com/mozilla/rust/pull/12900). In particular,
+  `RWArc<T>` and `MutexArc<T>` have been removed. `Mutex<T>` and `RWLock<T>`
+  have been introduced, and can be used as `Arc<Mutex<T>>` and
+  `Arc<RWLock<T>>` to replace `RWArc` and `MutexArc`. There are some other
+  minor changes, see the pull request.
+- Taking a reference to a static whose type contains an `Unsafe<T>` somewhere
+  [is now forbidden](https://github.com/mozilla/rust/pull/13083).
+- `Extendable` and `FromIterator` [now take their argument
+  by-value](https://github.com/mozilla/rust/pull/13039).
+- The crate map [has been
+  removed](https://github.com/mozilla/rust/pull/13117), and with it a
+  significant amount of complexity. As a consequence of its removal,
+  `green::start` now takes the event loop it should use as an argument rather
+  than looking in the crate map. [The documentation has an
+  example](http://static.rust-lang.org/doc/master/green/index.html#starting-with-libgreen)
+- The syntax for bounds on generic paths [has
+  changed](https://github.com/mozilla/rust/pull/13079) from
+  `Foo:Bound<Params>` to `Foo<Params>:Bound`.
+- The default `Send` bound on trait objects [has been
+  removed](https://github.com/mozilla/rust/pull/13050).
+- The `serialize` infrastructure [now supports error reporting via
+  `Result`](https://github.com/mozilla/rust/pull/13107).
+- `Pod` [has been renamed](https://github.com/mozilla/rust/pull/13160) to
+  `Copy`.
+- The attribute syntax [has
+  changed](https://github.com/mozilla/rust/pull/13162). Rather than saying
+  `#[crate_type = "bin"];` (with a significant semicolon), you say
+  `#![crate_type = "bin"]` (no semicolon).
+- `collections::List` [has been
+  removed](https://github.com/mozilla/rust/pull/13183). Use a vector, or
+  `collections::DList` if you really want a linked list. Persistent data
+  structures will live in a different crate than `collections`.
+
+## Other Changes
+
+- A `fill` method [has been added](https://github.com/mozilla/rust/pull/13049)
+  to `Reader`, for reading an exact amount of bytes or erroring.
+- As
+  [discussed](https://mail.mozilla.org/pipermail/rust-dev/2014-January/007924.html)
+  on the mailing list some months ago, [synchronous, bounded
+  channels](https://github.com/mozilla/rust/pull/12991) have been added.
+- `Share`'s documentation [has been
+  expanded](https://github.com/mozilla/rust/pull/13070).
+- A straggler from the doc sprint, [a few hundred lines of
+  documentation](https://github.com/mozilla/rust/pull/13135) have been added
+  to `std`.
+- Some handy methods [have been
+  added](https://github.com/mozilla/rust/pull/12780) to `Json` to make
+  searching and selecting elements from JSON objects easier.
+- There's a [new warn-by-default
+  lint](https://github.com/mozilla/rust/pull/13108) for deriving traits on
+  types which contain raw pointers.
+- Many confusing lifetime-related ICE's [have been
+  fixed](https://github.com/mozilla/rust/pull/13157). This is good progress
+  towards closing [the notorious issue
+  5121](https://github.com/mozilla/rust/issues/5121).
+- We can now [emit debuginfo for
+  `static`s](https://github.com/mozilla/rust/pull/13143). Yay debuginfo!
+
+## New Contributors
+
+- Davis Silverman
+- Noam Gagliardi Rabinovich
+- Sean McArthur
+
+# Weekly Meeting
+
+The [meeting this
+week](https://github.com/mozilla/rust/wiki/Meeting-weekly-2014-03-25)
+discussed various things: attribute parsing in macros, opt-in built-in traits,
+SIMD, allowing square brackets in macro invocation, allowing bounds on type
+parameters in structs, private fields by default, the fate of
+`collections::List`, and bounds on trait paths.
+
+# RFCs
+
+- [Smaller refcounts](https://github.com/rust-lang/rfcs/pull/23)
+- [Deserializing to a stream of tagged
+  values](https://github.com/rust-lang/rfcs/pull/22)
+- [Allow bounds on all type
+  parameters](https://github.com/rust-lang/rfcs/pull/20)
+
+# Project Updates
+
+- [rust-highlight](https://github.com/KokaKiwi/rust-highlight) can be used to
+  highlight Rust code in LaTeX, HTML, and JSON.
+- [rust-tabular](https://github.com/arjantop/rust-tabular), a library for
+  handling delimiter-separated values (commas, tabs, or any other character),
+  as well as fixed columns of fixed width.
+- [rust-csv](https://github.com/BurntSushi/rust-csv), a CSV library which
+  implements `Encoder` and `Decoder` for `serialize` support.
+
+# This Week in Servo
+
+Servo is a web browser engine written in Rust and is one of the primary test
+cases for the Rust language.
+
+In the last two weeks, we landed 33 PRs.
+
+## Notable additions
+
+- Lars Bergstrom landed a Rust upgrade, bringing us to late February in
+  [#1934](https://github.com/mozilla/servo/pull/1934)
+- ms2ger cleaned up some sketchy use of unsafe native pointers, wrapping them
+  in a `JS<T>` in [#1915](https://github.com/mozilla/servo/pull/1915)
+- Matt Brubeck named the WorkQueue tasks so that we'll know where failure is
+  coming from during parallel layout in
+  [#1977](https://github.com/mozilla/servo/pull/1977)
+
+## New contributors
+
+- Matt Brubeck (mbrubeck)
+
+## Meetings and Notes
+
+Patrick Walton authored and combined the final set of changes required to get
+Servo [passing ACID2](https://twitter.com/pcwalton/status/449299846873108480)!
+
+Matthew Brubeck has joined the Servo team full-time, coming over from the
+Firefox Metro project.
+
+In the meeting [two weeks
+ago](https://github.com/mozilla/servo/wiki/Meeting-2014-03-17), we discussed
+the Rust upgrade, z-index support, and ACID2. In the most recent
+[meeting](https://github.com/mozilla/servo/wiki/Meeting-2014-03-24), we
+provided an update on ACID2 and the status of Servo on Android.
+
+# Other Announcements
+
+- [Official Installers and
+  Nightlies](https://mail.mozilla.org/pipermail/rust-dev/2014-March/009223.html)