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+Title: This Week in Rust 4
+Date: 2013-06-29 12:26
+Category: This Week in Rust
+
+Hello and welcome to the fourth issue of *This Week in Rust*, a weekly overview of Rust and its community.
+
+`0.7` is being cut soon (today, I think). There are preliminary release notes [on
+GitHub](https://github.com/mozilla/rust/blob/master/RELEASES.txt). The tree has been quite calm, with regards to
+breakage. Cycle time is still high, but at least when things land they don't break master.
+
+<!-- more -->
+
+# What's cooking on master?
+
+Issue churn this week was -1. Yay! Issue churn this month was -47. 61 people pushed 1,080 commits, changing 2,117 files
+and adding a total of 53347 lines.  The top 10 committers were pcwalton, brson, dbaupp, strcat, bblum, nmatsakis,
+acricto, Blei, me (cmr), and aatch.
+
+Much of the work this week was cleanup or rebases of older PRs that just hadn't made it in yet.
+
+## Notable additions, bugfixes, and cleanup
+
+- Eridius has finished (I think!) the last bit of UNIX [terminal support](https://github.com/mozilla/rust/pull/7436),
+  adding fallback and smarter detection. It should work in 8-color terminals now too.
+- pcwalton [rewrote each_path](https://github.com/mozilla/rust/pull/7451), with the goal of future performance
+  enhancements.
+- tjc has done a [bunch](https://github.com/mozilla/rust/pull/7397) of
+  [rustpkg](https://github.com/mozilla/rust/pull/7403) work.
+- aatch did some [trans cleanup](https://github.com/mozilla/rust/pull/7272).
+- gifnksm added [`max_by` and `min_by`](https://github.com/mozilla/rust/pull/7414) methods to `IteratorUtil` for getting
+  the largest/smallest value in an iterator given a score function.
+- brson got a fix that [releases large stacks](https://github.com/mozilla/rust/pull/7111) after they are used to lower
+  memory usage.
+- mw has a bunch of [debuginfo](https://github.com/mozilla/rust/pull/7432) work, as well as [docs and
+  cleanup](https://github.com/mozilla/rust/pull/7255).
+- Blei did an [intrinsic overhaul](https://github.com/mozilla/rust/pull/7254).
+- acrichto implemented [`static mut`](https://github.com/mozilla/rust/pull/7291), for globals. Using them requires
+  unsafe code.
+- DaGenix [cleaned up and extended](https://github.com/mozilla/rust/pull/7207) the SHA code.
+- acrichto renamed `.rc` files to `.rs`. `.rc` is deprecated and functionally equivalent to `.rs`, all new code should
+  use it. He also [added](https://github.com/mozilla/rust/pull/7371) a `warnings` lint attribute for enabling/disabling
+  warnings in bulk.
+- indutny added [`mman` (including `mmap`)](https://github.com/mozilla/rust/pull/7257) FFI.
+- dbaupp found a [curious performance win](https://github.com/mozilla/rust/pull/7297) by changing some ordering around,
+  while also enabling conditionally defined macros and macro expansion to items with `#[cfg]` attributes.
+- Luqman [fixed by-value self](https://github.com/mozilla/rust/pull/7410).
+- acrichto expanded the `deriving(ToStr)` code to use `ToStr` on fields rather than using `fmt!("%?", x)`.
+- Blei [fixed a lot of problems](https://github.com/mozilla/rust/pull/7214) with owned trait objects (`~Trait`).
+- sully has [landed some default method fixes](https://github.com/mozilla/rust/pull/7471)
+
+## Breaking Changes
+
+- As usual, [a](https://github.com/mozilla/rust/pull/7274) [bunch](https://github.com/mozilla/rust/pull/7334)
+  [of](https://github.com/mozilla/rust/pull/7373) [iterator](https://github.com/mozilla/rust/pull/7319) work.
+- pcwalton renamed Owned to Send and Const to Freeze, better reflecting their actual semantics.
+- He also disallowed `mut` from distributing over bindings. For example, the following code no longer works: `let mut
+  (a, b) = (c, d)`.
+- dbaupp [converted](https://github.com/mozilla/rust/pull/7430) many vector functions to methods. He has a [second
+  part](https://github.com/mozilla/rust/pull/7487) in line.
+- Luqman renamed the `finalize` method in the `Drop` trait to `drop`.
+
+## Other changes
+
+bblum did some trait/fn/closure bounds
+[here](https://github.com/mozilla/rust/pull/7314) and
+[here](https://github.com/mozilla/rust/pull/7354), but I don't really
+understand what they do or their significance. He said:
+
+{% blockquote %}
+it changes the way traits/closures and captured data fulfill kind bounds, so
+you can restrict or loosen the requirements instead of having the fixed
+defaults of "can only capture Send things in ~fn/~Trait"
+
+one example is that you can add the extra requirement of Freeze, so you can
+put existential data inside of ARCs
+
+see https://github.com/mozilla/rust/blob/master/src/test/run-pass/trait-bounds-in-arc.rs
+
+http://smallcultfollowing.com/babysteps/blog/2013/06/11/data-parallelism-in-rust/
+is another, more complicated but less contrived, example for how they would be
+useful
+{% endblockquote %}
+
+# Meetings
+
+The [Tuesday meeting](https://github.com/mozilla/rust/wiki/Meeting-weekly-2013-06-25)
+mainly discussed `@mut` and iterators, as well as some minor 0.7 releng stuff.
+I suggest reading the `@mut` discussion yourself, but essentially it revolves
+around it not quite fitting into the language, and that it could be easily
+punted to a library. The iterator discussion was not notable.
+
+# Discussion + Blog posts
+
+- [New container/iterator tutorial](http://static.rust-lang.org/doc/tutorial-container.html)
+- ["Language support for external iterators"](http://thread.gmane.org/gmane.comp.lang.rust.devel/4528)
+- ["Rust gets a lot of things right"](http://spin.atomicobject.com/2013/06/25/rust-language/)
+- ["Planning a project in rust?"](http://www.reddit.com/r/rust/comments/1ha3yi/planning_a_project_in_rust/)
+- ["Memory layout of types"](https://mail.mozilla.org/pipermail/rust-dev/2013-June/004572.html)
+- [mw's second status report](http://michaelwoerister.github.io/2013/06/28/Status-Update-2.html)
+
+# External projects
+
+- QuickCheck for Rust.
+	- [GitHub](https://github.com/blake2-ppc/qc.rs)
+	- [Reddit discussion](http://www.reddit.com/r/rust/comments/1h0217/mockup_of_quickcheck/)
+- RustGnuplot ([GitHub](https://github.com/SiegeLord/RustGnuplot))
+