---

yaml
---
r: 210855
b: refs/heads/try
c: daaf715
h: refs/heads/master
i:
  210853: e3144ae
  210851: 6ac86f9
  210847: ed33a8b
v: v3

Author: bors

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 3e561f05c00cd180ec02db4ccab2840a4aba93d2
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
-refs/heads/try: 94be1153f1b9e8b154cb8982b7f180505ae7dab0
+refs/heads/try: daaf71553929a63d619d2a7337588fed1baf6bfe
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/README.md

@@ -1,9 +1,11 @@
 # The Rust Programming Language
 
-This is a compiler for Rust, including standard libraries, tools and
-documentation. Rust is a systems programming language that is fast,
-memory safe and multithreaded, but does not employ a garbage collector
-or otherwise impose significant runtime overhead.
+Rust is a systems programming language that is fast, memory safe and
+multithreaded, but does not employ a garbage collector or otherwise
+impose significant runtime overhead.
+
+This repo contains the code for `rustc`, the Rust compiler, as well
+as standard libraries, tools and documentation for Rust.
 
 ## Quick Start
 

branches/try/src/doc/trpl/dining-philosophers.md

@@ -396,7 +396,7 @@ let handles: Vec<_> = philosophers.into_iter().map(|p| {
 }).collect();
 ```
 
-While this is only five lines, they’re a dense four. Let’s break it down.
+While this is only five lines, they’re a dense five. Let’s break it down.
 
 ```rust,ignore
 let handles: Vec<_> = 

branches/try/src/doc/trpl/guessing-game.md

@@ -27,7 +27,7 @@ Check out the generated `Cargo.toml`:
 [package]
 
 name = "guessing_game"
-version = "0.0.1"
+version = "0.1.0"
 authors = ["Your Name <[email protected]>"]
 ```
 
@@ -46,7 +46,7 @@ Let’s try compiling what Cargo gave us:
 
 ```{bash}
 $ cargo build
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
 ```
 
 Excellent! Open up your `src/main.rs` again. We’ll be writing all of
@@ -58,7 +58,7 @@ Try it out:
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/debug/guessing_game`
 Hello, world!
 ```
@@ -727,7 +727,7 @@ Let’s try our program out!
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/guessing_game`
 Guess the number!
 The secret number is: 58
@@ -792,7 +792,7 @@ and quit. Observe:
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/guessing_game`
 Guess the number!
 The secret number is: 59
@@ -929,7 +929,7 @@ Now we should be good! Let’s try:
 
 ```bash
 $ cargo run
-   Compiling guessing_game v0.0.1 (file:///home/you/projects/guessing_game)
+   Compiling guessing_game v0.1.0 (file:///home/you/projects/guessing_game)
      Running `target/guessing_game`
 Guess the number!
 The secret number is: 61

branches/try/src/doc/trpl/nightly-rust.md

@@ -26,8 +26,8 @@ $ sh rustup.sh --channel=nightly
 If you're on Windows, please download either the [32-bit installer][win32] or
 the [64-bit installer][win64] and run it.
 
-[win32]: https://static.rust-lang.org/dist/rust-1.0.0-beta-i686-pc-windows-gnu.msi
-[win64]: https://static.rust-lang.org/dist/rust-1.0.0-beta-x86_64-pc-windows-gnu.msi
+[win32]: https://static.rust-lang.org/dist/rust-nightly-i686-pc-windows-gnu.msi
+[win64]: https://static.rust-lang.org/dist/rust-nightly-x86_64-pc-windows-gnu.msi
 
 ## Uninstalling
 

branches/try/src/libcore/slice.rs

@@ -665,14 +665,14 @@ macro_rules! iterator {
             #[inline]
             fn next(&mut self) -> Option<$elem> {
                 // could be implemented with slices, but this avoids bounds checks
-                if self.ptr == self.end {
-                    None
-                } else {
-                    unsafe {
-                        if mem::size_of::<T>() != 0 {
-                            ::intrinsics::assume(!self.ptr.is_null());
-                            ::intrinsics::assume(!self.end.is_null());
-                        }
+                unsafe {
+                    if mem::size_of::<T>() != 0 {
+                        assume(!self.ptr.is_null());
+                        assume(!self.end.is_null());
+                    }
+                    if self.ptr == self.end {
+                        None
+                    } else {
                         let old = self.ptr;
                         self.ptr = slice_offset!(self.ptr, 1);
                         Some(slice_ref!(old))
@@ -710,15 +710,15 @@ macro_rules! iterator {
             #[inline]
             fn next_back(&mut self) -> Option<$elem> {
                 // could be implemented with slices, but this avoids bounds checks
-                if self.end == self.ptr {
-                    None
-                } else {
-                    unsafe {
+                unsafe {
+                    if mem::size_of::<T>() != 0 {
+                        assume(!self.ptr.is_null());
+                        assume(!self.end.is_null());
+                    }
+                    if self.end == self.ptr {
+                        None
+                    } else {
                         self.end = slice_offset!(self.end, -1);
-                        if mem::size_of::<T>() != 0 {
-                            ::intrinsics::assume(!self.ptr.is_null());
-                            ::intrinsics::assume(!self.end.is_null());
-                        }
                         Some(slice_ref!(self.end))
                     }
                 }