---

yaml
---
r: 80805
b: refs/heads/try
c: 1da4488
h: refs/heads/master
i:
  80803: b2d62d3
v: v3

Author: alexcrichton

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 4c6bf4872012c010f84dc7fa2cdfe87522533f89
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: cbd1eefbd350797b783df119fed7956d7e1c74ad
-refs/heads/try: 36872e4180331e4a7f00329abe7972488ce216cf
+refs/heads/try: 1da4488d8713a4190f110407470f57ddec42ec62
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/doc/rust.md

@@ -1717,8 +1717,7 @@ Supported traits for `deriving` are:
 * `Clone` and `DeepClone`, to perform (deep) copies.
 * `IterBytes`, to iterate over the bytes in a data type.
 * `Rand`, to create a random instance of a data type.
-* `Default`, to create an empty instance of a data type.
-* `Zero`, to create an zero instance of a numeric data type.
+* `Zero`, to create an zero (or empty) instance of a data type.
 * `ToStr`, to convert to a string. For a type with this instance,
   `obj.to_str()` has similar output as `fmt!("%?", obj)`, but it differs in that
   each constituent field of the type must also implement `ToStr` and will have

branches/try/doc/rustpkg.md

@@ -52,11 +52,13 @@ A valid workspace must contain each of the following subdirectories:
      rustpkg will install libraries for bar to `foo/lib/x86_64-apple-darwin/`.
      The libraries will have names of the form `foo/lib/x86_64-apple-darwin/libbar-[hash].dylib`,
      where [hash] is a hash of the package ID.
-* 'bin/': `rustpkg install` installs executable binaries into this directory.
+* 'bin/': `rustpkg install` installs executable binaries into a target-specific subdirectory of this directory.
 
-     For example, rustpkg will install executables for `bar` to
-     `foo/bin`.
-     The executables will have names of the form `foo/bin/bar`.
+     For example, on a 64-bit machine running Mac OS X,
+     if `foo` is a workspace, containing the package `bar`,
+     rustpkg will install executables for `bar` to
+     `foo/bin/x86_64-apple-darwin/`.
+     The executables will have names of the form `foo/bin/x86_64-apple-darwin/bar`.
 * 'build/': `rustpkg build` stores temporary build artifacts in a target-specific subdirectory of this directory.
 
      For example, on a 64-bit machine running Mac OS X,
@@ -83,12 +85,6 @@ rustpkg also interprets any dependencies on such a package ID literally
 Thus, `github.com/mozilla/rust#5c4cd30f80` is also a valid package ID,
 since git can deduce that 5c4cd30f80 refers to a revision of the desired repository.
 
-A package identifier can name a subdirectory of another package.
-For example, if `foo` is a workspace, and `foo/src/bar/lib.rs` exists,
-as well as `foo/src/bar/extras/baz/lib.rs`,
-then both `bar` and `bar/extras/baz` are valid package identifiers
-in the workspace `foo`.
-
 ## Source files
 
 rustpkg searches for four different fixed filenames in order to determine the crates to build:
@@ -144,11 +140,9 @@ but not in their `lib` or `bin` directories.
 
 ## install
 
-`rustpkg install foo` builds the libraries and/or executables that are targets for `foo`.
-If `RUST_PATH` is declared as an environment variable, then rustpkg installs the
-libraries and executables into the `lib` and `bin` subdirectories
-of the first entry in `RUST_PATH`.
-Otherwise, it installs them into `foo`'s `lib` and `bin` directories.
+`rustpkg install foo` builds the libraries and/or executables that are targets for `foo`,
+and then installs them either into `foo`'s `lib` and `bin` directories,
+or into the `lib` and `bin` subdirectories of the first entry in `RUST_PATH`.
 
 ## test
 

branches/try/doc/tutorial.md

@@ -2249,7 +2249,7 @@ enum ABC { A, B, C }
 
 The full list of derivable traits is `Eq`, `TotalEq`, `Ord`,
 `TotalOrd`, `Encodable` `Decodable`, `Clone`, `DeepClone`,
-`IterBytes`, `Rand`, `Default`, `Zero`, and `ToStr`.
+`IterBytes`, `Rand`, `Zero`, and `ToStr`.
 
 # Crates and the module system
 

branches/try/src/compiletest/compiletest.rs

@@ -309,7 +309,7 @@ pub fn make_test_name(config: &config, testfile: &Path) -> test::TestName {
         let filename = path.filename();
         let p = path.pop();
         let dir = p.filename();
-        fmt!("%s/%s", dir.unwrap_or(""), filename.unwrap_or(""))
+        fmt!("%s/%s", dir.unwrap_or_default(""), filename.unwrap_or_default(""))
     }
 
     test::DynTestName(fmt!("[%s] %s",

branches/try/src/etc/emacs/README.md

@@ -1,29 +1,27 @@
-`rust-mode`: A major Emacs mode for editing Rust source code
-============================================================
+rust-mode: A major emacs mode for editing Rust source code
+==========================================================
 
-`rust-mode` makes editing [Rust](http://rust-lang.org) code with Emacs
+`rust-mode` makes editing [Rust](http://rust-lang.org) code with emacs
 enjoyable.
 
 
 ### Manual Installation
 
-To install manually, check out this repository and add this to your
-`.emacs` file:
+To install manually, check out this repository and add this to your .emacs
+file:
 
-```lisp
-(add-to-list 'load-path "/path/to/rust-mode/")
-(require 'rust-mode)
-```
+    (add-to-list 'load-path "/path/to/rust-mode/")
+    (require 'rust-mode)
 
-`rust-mode` will automatically be associated with `.rs` files. To enable it
-explicitly, do <kbd>M-x rust-mode</kbd>.
+Rust mode will automatically be associated with .rs files. To enable it
+explicitly, do `M-x rust-mode`.
 
-### `package.el` installation via Marmalade or MELPA
+### package.el installation via Marmalade or MELPA
 
 It can be more convenient to use Emacs's package manager to handle
 installation for you if you use many elisp libraries. If you have
-`package.el` but haven't added Marmalade or MELPA, the community
-package source, yet, add this to `~/.emacs.d/init.el`:
+package.el but haven't added Marmalade or MELPA, the community package source,
+yet, add this to ~/.emacs.d/init.el:
 
 Using Marmalade:
 
@@ -49,33 +47,32 @@ Then do this to load the package listing:
 * <kbd>M-x package-refresh-contents</kbd>
 
 If you use a version of Emacs prior to 24 that doesn't include
-`package.el`, you can get it from [here](http://bit.ly/pkg-el23).
+package.el, you can get it from http://bit.ly/pkg-el23.
 
-If you have an older ELPA `package.el` installed from tromey.com, you
+If you have an older ELPA package.el installed from tromey.com, you
 should upgrade in order to support installation from multiple sources.
 The ELPA archive is deprecated and no longer accepting new packages,
 so the version there (1.7.1) is very outdated.
 
-#### Install `rust-mode`
+#### Install rust-mode
 
-One you have `package.el`, you can install `rust-mode` or any other
-modes by choosing them from a list:
+From there you can install rust-mode or any other modes by choosing
+them from a list:
 
 * <kbd>M-x package-list-packages</kbd>
 
-Now, to install packages, move your cursor to them and press
-<kbd>i</kbd>. This will mark the packages for installation. When
-you're done with marking, press <kbd>x</kbd>, and ELPA will install
-the packages for you (under `~/.emacs.d/elpa/`).
+Now, to install packages, move your cursor to them and press i. This
+will mark the packages for installation. When you're done with
+marking, press x, and ELPA will install the packages for you (under
+~/.emacs.d/elpa/).
 
-* or using <kbd>M-x package-install rust-mode</kbd>
+* or using <kbd>M-x package-install rust-mode
 
 ### Tests via ERT
 
-The file `rust-mode-tests.el` contains tests that can be run via
-[ERT](http://www.gnu.org/software/emacs/manual/html_node/ert/index.html).
-You can use `run_rust_emacs_tests.sh` to run them in batch mode, if
-Emacs is somewhere in your `$PATH`.
+The file `rust-mode-tests.el` contains tests that can be run via ERT.  You can
+use `run_rust_emacs_tests.sh` to run them in batch mode, if emacs is somewhere
+in your `$PATH`.
 
 ### Known bugs
 

branches/try/src/libextra/crypto/md5.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::iter::range_step;
+use std::uint;
 
 use cryptoutil::{write_u32_le, read_u32v_le, FixedBuffer, FixedBuffer64, StandardPadding};
 use digest::Digest;
@@ -86,42 +86,46 @@ impl Md5State {
         read_u32v_le(data, input);
 
         // round 1
-        for i in range_step(0u, 16, 4) {
+        do uint::range_step(0, 16, 4) |i| {
             a = op_f(a, b, c, d, data[i] + C1[i], 7);
             d = op_f(d, a, b, c, data[i + 1] + C1[i + 1], 12);
             c = op_f(c, d, a, b, data[i + 2] + C1[i + 2], 17);
             b = op_f(b, c, d, a, data[i + 3] + C1[i + 3], 22);
-        }
+            true
+        };
 
         // round 2
         let mut t = 1;
-        for i in range_step(0u, 16, 4) {
+        do uint::range_step(0, 16, 4) |i| {
             a = op_g(a, b, c, d, data[t & 0x0f] + C2[i], 5);
             d = op_g(d, a, b, c, data[(t + 5) & 0x0f] + C2[i + 1], 9);
             c = op_g(c, d, a, b, data[(t + 10) & 0x0f] + C2[i + 2], 14);
             b = op_g(b, c, d, a, data[(t + 15) & 0x0f] + C2[i + 3], 20);
             t += 20;
-        }
+            true
+        };
 
         // round 3
         t = 5;
-        for i in range_step(0u, 16, 4) {
+        do uint::range_step(0, 16, 4) |i| {
             a = op_h(a, b, c, d, data[t & 0x0f] + C3[i], 4);
             d = op_h(d, a, b, c, data[(t + 3) & 0x0f] + C3[i + 1], 11);
             c = op_h(c, d, a, b, data[(t + 6) & 0x0f] + C3[i + 2], 16);
             b = op_h(b, c, d, a, data[(t + 9) & 0x0f] + C3[i + 3], 23);
             t += 12;
-        }
+            true
+        };
 
         // round 4
         t = 0;
-        for i in range_step(0u, 16, 4) {
+        do uint::range_step(0, 16, 4) |i| {
             a = op_i(a, b, c, d, data[t & 0x0f] + C4[i], 6);
             d = op_i(d, a, b, c, data[(t + 7) & 0x0f] + C4[i + 1], 10);
             c = op_i(c, d, a, b, data[(t + 14) & 0x0f] + C4[i + 2], 15);
             b = op_i(b, c, d, a, data[(t + 21) & 0x0f] + C4[i + 3], 21);
             t += 28;
-        }
+            true
+        };
 
         self.s0 += a;
         self.s1 += b;

branches/try/src/libextra/crypto/sha2.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::iter::range_step;
+use std::uint;
 
 use cryptoutil::{write_u64_be, write_u32_be, read_u64v_be, read_u32v_be, add_bytes_to_bits,
     add_bytes_to_bits_tuple, FixedBuffer, FixedBuffer128, FixedBuffer64, StandardPadding};
@@ -111,7 +111,7 @@ impl Engine512State {
 
         // Putting the message schedule inside the same loop as the round calculations allows for
         // the compiler to generate better code.
-        for t in range_step(0u, 64, 8) {
+        do uint::range_step(0, 64, 8) |t| {
             schedule_round!(t + 16);
             schedule_round!(t + 17);
             schedule_round!(t + 18);
@@ -129,9 +129,10 @@ impl Engine512State {
             sha2_round!(d, e, f, g, h, a, b, c, K64, t + 5);
             sha2_round!(c, d, e, f, g, h, a, b, K64, t + 6);
             sha2_round!(b, c, d, e, f, g, h, a, K64, t + 7);
-        }
+            true
+        };
 
-        for t in range_step(64u, 80, 8) {
+        do uint::range_step(64, 80, 8) |t| {
             sha2_round!(a, b, c, d, e, f, g, h, K64, t);
             sha2_round!(h, a, b, c, d, e, f, g, K64, t + 1);
             sha2_round!(g, h, a, b, c, d, e, f, K64, t + 2);
@@ -140,7 +141,8 @@ impl Engine512State {
             sha2_round!(d, e, f, g, h, a, b, c, K64, t + 5);
             sha2_round!(c, d, e, f, g, h, a, b, K64, t + 6);
             sha2_round!(b, c, d, e, f, g, h, a, K64, t + 7);
-        }
+            true
+        };
 
         self.H0 += a;
         self.H1 += b;
@@ -525,7 +527,7 @@ impl Engine256State {
 
         // Putting the message schedule inside the same loop as the round calculations allows for
         // the compiler to generate better code.
-        for t in range_step(0u, 48, 8) {
+        do uint::range_step(0, 48, 8) |t| {
             schedule_round!(t + 16);
             schedule_round!(t + 17);
             schedule_round!(t + 18);
@@ -543,9 +545,10 @@ impl Engine256State {
             sha2_round!(d, e, f, g, h, a, b, c, K32, t + 5);
             sha2_round!(c, d, e, f, g, h, a, b, K32, t + 6);
             sha2_round!(b, c, d, e, f, g, h, a, K32, t + 7);
-        }
+            true
+        };
 
-        for t in range_step(48u, 64, 8) {
+        do uint::range_step(48, 64, 8) |t| {
             sha2_round!(a, b, c, d, e, f, g, h, K32, t);
             sha2_round!(h, a, b, c, d, e, f, g, K32, t + 1);
             sha2_round!(g, h, a, b, c, d, e, f, K32, t + 2);
@@ -554,7 +557,8 @@ impl Engine256State {
             sha2_round!(d, e, f, g, h, a, b, c, K32, t + 5);
             sha2_round!(c, d, e, f, g, h, a, b, K32, t + 6);
             sha2_round!(b, c, d, e, f, g, h, a, K32, t + 7);
-        }
+            true
+        };
 
         self.H0 += a;
         self.H1 += b;