---

yaml
---
r: 233809
b: refs/heads/beta
c: 3c100de
h: refs/heads/master
i:
  233807: aaea03f
v: v3

Author: bors

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: e33650c16fec1ed8dcdbfc0aa3eac33ceece34d3
+refs/heads/beta: 3c100de75ac94ef33ecafe64810ef4c8113c1579
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 370fe2786109360f7c35b8ba552b83b773dd71d6
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/doc/trpl/ffi.md

@@ -496,9 +496,11 @@ strings are not terminated with `\0`. If you need a NUL-terminated string for
 interoperability with C, you should use the `CString` type in the `std::ffi`
 module.
 
-The standard library includes type aliases and function definitions for the C
-standard library in the `libc` module, and Rust links against `libc` and `libm`
-by default.
+The [`libc` crate on crates.io][libc] includes type aliases and function
+definitions for the C standard library in the `libc` module, and Rust links
+against `libc` and `libm` by default.
+
+[libc]: https://crates.io/crates/libc
 
 # The "nullable pointer optimization"
 

branches/beta/src/libcollections/fmt.rs

@@ -481,6 +481,7 @@ pub use core::fmt::{LowerHex, UpperHex, Pointer};
 pub use core::fmt::{LowerExp, UpperExp};
 pub use core::fmt::Error;
 pub use core::fmt::{ArgumentV1, Arguments, write, radix, Radix, RadixFmt};
+pub use core::fmt::{DebugList, DebugMap, DebugSet, DebugStruct, DebugTuple};
 
 use string;
 

branches/beta/src/libstd/macros.rs

@@ -67,6 +67,26 @@ macro_rules! panic {
 /// Note that stdout is frequently line-buffered by default so it may be
 /// necessary to use `io::stdout().flush()` to ensure the output is emitted
 /// immediately.
+///
+/// # Examples
+///
+/// ```
+/// use std::io::{self, Write};
+///
+/// print!("this ");
+/// print!("will ");
+/// print!("be ");
+/// print!("on ");
+/// print!("the ");
+/// print!("same ");
+/// print!("line ");
+///
+/// io::stdout().flush().unwrap();
+///
+/// print!("this string has a newline, why not choose println! instead?\n");
+///
+/// io::stdout().flush().unwrap();
+/// ```
 #[macro_export]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[allow_internal_unstable]

branches/beta/src/test/run-pass/issue-20803.rs

@@ -0,0 +1,19 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::ops::Add;
+
+fn foo<T>(x: T) -> <i32 as Add<T>>::Output where i32: Add<T> {
+    42i32 + x
+}
+
+fn main() {
+    println!("{}", foo(0i32));
+}