auto merge of rust-lang#13493 : Manishearth/rust/newattr-everywhere, r=alexcrichton

See rust-lang#13478

Author: bors

src/etc/generate-deriving-span-tests.py

@@ -37,7 +37,7 @@
 
 // This file was auto-generated using 'src/etc/generate-keyword-span-tests.py'
 
-#[feature(struct_variant)];
+#![feature(struct_variant)]
 extern crate rand;
 
 {error_deriving}

src/etc/unicode.py

@@ -411,8 +411,8 @@ def emit_decomp_module(f, canon, compat, combine):
 
 // The following code was generated by "src/etc/unicode.py"
 
-#[allow(missing_doc)];
-#[allow(non_uppercase_statics)];
+#![allow(missing_doc)]
+#![allow(non_uppercase_statics)]
 
 ''')
 

src/librustc/front/std_inject.rs

@@ -126,7 +126,7 @@ impl<'a> fold::Folder for PreludeInjector<'a> {
     fn fold_crate(&mut self, krate: ast::Crate) -> ast::Crate {
         if !no_prelude(krate.attrs.as_slice()) {
             // only add `use std::prelude::*;` if there wasn't a
-            // `#[no_implicit_prelude];` at the crate level.
+            // `#![no_implicit_prelude]` at the crate level.
             ast::Crate {
                 module: self.fold_mod(&krate.module),
                 ..krate
@@ -138,7 +138,7 @@ impl<'a> fold::Folder for PreludeInjector<'a> {
 
     fn fold_item(&mut self, item: @ast::Item) -> SmallVector<@ast::Item> {
         if !no_prelude(item.attrs.as_slice()) {
-            // only recur if there wasn't `#[no_implicit_prelude];`
+            // only recur if there wasn't `#![no_implicit_prelude]`
             // on this item, i.e. this means that the prelude is not
             // implicitly imported though the whole subtree
             fold::noop_fold_item(item, self)

src/librustc/middle/typeck/check/regionmanip.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// #[warn(deprecated_mode)];
+// #![warn(deprecated_mode)]
 
 use middle::ty;
 use middle::ty_fold;

src/libstd/fmt/mod.rs

@@ -250,7 +250,7 @@ strings and instead directly write the output. Under the hood, this function is
 actually invoking the `write` function defined in this module. Example usage is:
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io;
 
 let mut w = io::MemWriter::new();
@@ -699,7 +699,7 @@ uniform_fn_call_workaround! {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::fmt;
 /// use std::io;
 ///

src/libstd/io/buffered.rs

@@ -125,7 +125,7 @@ impl<R: Reader> Reader for BufferedReader<R> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::{BufferedWriter, File};
 ///
 /// let file = File::open(&Path::new("message.txt"));
@@ -287,7 +287,7 @@ impl<W: Reader> Reader for InternalBufferedWriter<W> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::{BufferedStream, File};
 ///
 /// let file = File::open(&Path::new("message.txt"));

src/libstd/io/comm_adapters.rs

@@ -89,7 +89,7 @@ impl Reader for ChanReader {
 /// # Example
 ///
 /// ```
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::ChanWriter;
 ///
 /// let (tx, rx) = channel();

src/libstd/io/fs.rs

@@ -28,7 +28,7 @@ particular bits of it, etc.
 # Example
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io::{File, fs};
 
 let path = Path::new("foo.txt");
@@ -162,7 +162,7 @@ impl File {
     /// # Example
     ///
     /// ```rust
-    /// # #[allow(unused_must_use)];
+    /// # #![allow(unused_must_use)]
     /// use std::io::File;
     ///
     /// let mut f = File::create(&Path::new("foo.txt"));
@@ -220,7 +220,7 @@ impl File {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// let p = Path::new("/some/file/path.txt");
@@ -290,7 +290,7 @@ pub fn lstat(path: &Path) -> IoResult<FileStat> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// fs::rename(&Path::new("foo"), &Path::new("bar"));
@@ -314,7 +314,7 @@ pub fn rename(from: &Path, to: &Path) -> IoResult<()> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// fs::copy(&Path::new("foo.txt"), &Path::new("bar.txt"));
@@ -364,7 +364,7 @@ pub fn copy(from: &Path, to: &Path) -> IoResult<()> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io;
 /// use std::io::fs;
 ///
@@ -416,7 +416,7 @@ pub fn readlink(path: &Path) -> IoResult<Path> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io;
 /// use std::io::fs;
 ///
@@ -437,7 +437,7 @@ pub fn mkdir(path: &Path, mode: FilePermission) -> IoResult<()> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::fs;
 ///
 /// let p = Path::new("/some/dir");

src/libstd/io/mem.rs

@@ -44,7 +44,7 @@ fn combine(seek: SeekStyle, cur: uint, end: uint, offset: i64) -> IoResult<u64>
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::MemWriter;
 ///
 /// let mut w = MemWriter::new();
@@ -125,7 +125,7 @@ impl Seek for MemWriter {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::MemReader;
 ///
 /// let mut r = MemReader::new(vec!(0, 1, 2));
@@ -209,7 +209,7 @@ impl Buffer for MemReader {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::BufWriter;
 ///
 /// let mut buf = [0, ..4];
@@ -267,7 +267,7 @@ impl<'a> Seek for BufWriter<'a> {
 /// # Example
 ///
 /// ```rust
-/// # #[allow(unused_must_use)];
+/// # #![allow(unused_must_use)]
 /// use std::io::BufReader;
 ///
 /// let mut buf = [0, 1, 2, 3];

src/libstd/io/mod.rs

@@ -46,7 +46,7 @@ Some examples of obvious things you might want to do
 * Write a line to a file
 
     ```rust
-    # #[allow(unused_must_use)];
+    # #![allow(unused_must_use)]
     use std::io::File;
 
     let mut file = File::create(&Path::new("message.txt"));
@@ -82,7 +82,7 @@ Some examples of obvious things you might want to do
 * Make a simple TCP client connection and request
 
     ```rust,should_fail
-    # #[allow(unused_must_use)];
+    # #![allow(unused_must_use)]
     use std::io::net::ip::SocketAddr;
     use std::io::net::tcp::TcpStream;
 
@@ -159,7 +159,7 @@ be an error.
 If you wanted to handle the error though you might write:
 
 ```rust
-# #[allow(unused_must_use)];
+# #![allow(unused_must_use)]
 use std::io::File;
 
 match File::create(&Path::new("diary.txt")).write(bytes!("Met a girl.\n")) {