---

yaml
---
r: 225270
b: refs/heads/stable
c: 8703883
h: refs/heads/master
v: v3

Author: aochagavia

[refs]

@@ -29,6 +29,6 @@ refs/heads/tmp: e5d90d98402475b6e154ce216f9efcb80da1a747
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: 1fe32ca12c51afcd761d9962f51a74ff0d07a591
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: 6a003abc374c912b4890b6cc1c61b5b1bd1efe60
+refs/heads/stable: 87038831f1d1eafe6978a823cdbb353d3a7d3f8d
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b

branches/stable/src/doc/trpl/installing-rust.md

@@ -43,11 +43,11 @@ Some people, and somewhat rightfully so, get very upset when we tell you to
 `curl | sh`. Basically, when you do this, you are trusting that the good
 people who maintain Rust aren't going to hack your computer and do bad things.
 That's a good instinct! If you're one of those people, please check out the
-documentation on [building Rust from Source][from-source], or [the official
-binary downloads][install-page].
+documentation on [building Rust from Source][from source], or [the official
+binary downloads][install page].
 
-[from-source]: https://github.com/rust-lang/rust#building-from-source
-[install-page]: http://www.rust-lang.org/install.html
+[from source]: https://github.com/rust-lang/rust#building-from-source
+[install page]: http://www.rust-lang.org/install.html
 
 Oh, we should also mention the officially supported platforms:
 

branches/stable/src/doc/trpl/macros.md

@@ -30,8 +30,8 @@ mind.
 
 # Defining a macro
 
-You may have seen the `vec!` macro, used to initialize a [vector][vector] with
-any number of elements.
+You may have seen the `vec!` macro, used to initialize a [vector][] with any
+number of elements.
 
 [vector]: vectors.html
 
@@ -349,7 +349,7 @@ fn main() {
 }
 ```
 
-This holds for `let` bindings and loop labels, but not for [items][items].
+This holds for `let` bindings and loop labels, but not for [items][].
 So the following code does compile:
 
 ```rust
@@ -470,7 +470,7 @@ which syntactic form it matches.
 * `stmt`: a single statement. Example: `let x = 3`.
 * `block`: a brace-delimited sequence of statements. Example:
   `{ log(error, "hi"); return 12; }`.
-* `item`: an [item][item]. Examples: `fn foo() { }`; `struct Bar;`.
+* `item`: an [item][]. Examples: `fn foo() { }`; `struct Bar;`.
 * `meta`: a "meta item", as found in attributes. Example: `cfg(target_os = "windows")`.
 * `tt`: a single token tree.
 

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

@@ -46,11 +46,11 @@ Some people, and somewhat rightfully so, get very upset when we tell you to
 `curl | sh`. Basically, when you do this, you are trusting that the good
 people who maintain Rust aren't going to hack your computer and do bad things.
 That's a good instinct! If you're one of those people, please check out the
-documentation on [building Rust from Source][from-source], or [the official
-binary downloads][install-page].
+documentation on [building Rust from Source][from source], or [the official
+binary downloads][install page].
 
-[from-source]: https://github.com/rust-lang/rust#building-from-source
-[install-page]: http://www.rust-lang.org/install.html
+[from source]: https://github.com/rust-lang/rust#building-from-source
+[install page]: http://www.rust-lang.org/install.html
 
 Oh, we should also mention the officially supported platforms:
 
@@ -91,9 +91,9 @@ If not, there are a number of places where you can get help. The easiest is
 [the #rust IRC channel on irc.mozilla.org][irc], which you can access through
 [Mibbit][mibbit]. Click that link, and you'll be chatting with other Rustaceans
 (a silly nickname we call ourselves), and we can help you out. Other great
-resources include [the user’s forum][users], and [Stack Overflow][stackoverflow].
+resources include [the user’s forum][users], and [Stack Overflow][stack overflow].
 
 [irc]: irc://irc.mozilla.org/#rust
 [mibbit]: http://chat.mibbit.com/?server=irc.mozilla.org&channel=%23rust
 [users]: http://users.rust-lang.org/ 
-[stackoverflow]: http://stackoverflow.com/questions/tagged/rust
+[stack overflow]: http://stackoverflow.com/questions/tagged/rust

branches/stable/src/doc/trpl/strings.md

@@ -49,20 +49,6 @@ fn main() {
 }
 ```
 
-This coercion does not happen for functions that accept one of `&str`’s traits
-instead of `&str`. For example, [`TcpStream::connect`][connect] has a parameter
-of type `ToSocketAddrs`. A `&str` is okay but a `String` must be explicitly
-converted using `&*`.
-
-```rust,no_run
-use std::net::TcpStream;
-
-TcpStream::connect("192.168.0.1:3000"); // &str parameter
-
-let addr_string = "192.168.0.1:3000".to_string();
-TcpStream::connect(&*addr_string); // convert addr_string to &str
-```
-
 Viewing a `String` as a `&str` is cheap, but converting the `&str` to a
 `String` involves allocating memory. No reason to do that unless you have to!
 
@@ -141,4 +127,3 @@ This is because `&String` can automatically coerce to a `&str`. This is a
 feature called ‘[`Deref` coercions][dc]’.
 
 [dc]: deref-coercions.html
-[connect]: ../std/net/struct.TcpStream.html#method.connect

branches/stable/src/liballoc/boxed.rs

@@ -139,20 +139,24 @@ impl<T : ?Sized> Box<T> {
 /// convert pointer back to `Box` with `Box::from_raw` function, because
 /// `Box` does not specify, how memory is allocated.
 ///
+/// Function is unsafe, because result of this function is no longer
+/// automatically managed that may lead to memory or other resource
+/// leak.
+///
 /// # Examples
 /// ```
 /// # #![feature(alloc)]
 /// use std::boxed;
 ///
 /// let seventeen = Box::new(17u32);
-/// let raw = boxed::into_raw(seventeen);
+/// let raw = unsafe { boxed::into_raw(seventeen) };
 /// let boxed_again = unsafe { Box::from_raw(raw) };
 /// ```
 #[unstable(feature = "alloc",
            reason = "may be renamed")]
 #[inline]
-pub fn into_raw<T : ?Sized>(b: Box<T>) -> *mut T {
-    unsafe { mem::transmute(b) }
+pub unsafe fn into_raw<T : ?Sized>(b: Box<T>) -> *mut T {
+    mem::transmute(b)
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]

branches/stable/src/libcore/iter.rs

@@ -452,19 +452,20 @@ pub trait Iterator {
         Scan{iter: self, f: f, state: initial_state}
     }
 
-    /// Takes a function that maps each element to a new iterator and yields
-    /// all the elements of the produced iterators.
-    ///
-    /// This is useful for unraveling nested structures.
+    /// Creates an iterator that maps each element to an iterator,
+    /// and yields the elements of the produced iterators.
     ///
     /// # Examples
     ///
     /// ```
-    /// let words = ["alpha", "beta", "gamma"];
-    /// let merged: String = words.iter()
-    ///                           .flat_map(|s| s.chars())
-    ///                           .collect();
-    /// assert_eq!(merged, "alphabetagamma");
+    /// # #![feature(core)]
+    /// let xs = [2, 3];
+    /// let ys = [0, 1, 0, 1, 2];
+    /// let it = xs.iter().flat_map(|&x| (0..).take(x));
+    /// // Check that `it` has the same elements as `ys`
+    /// for (i, x) in it.enumerate() {
+    ///     assert_eq!(x, ys[i]);
+    /// }
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]

branches/stable/src/librustc/metadata/common.rs

@@ -146,7 +146,7 @@ enum_from_u32! {
         tag_table_closure_kinds = 0x65,
         tag_table_upvar_capture_map = 0x66,
         tag_table_capture_modes = 0x67,
-        // GAP 0x68
+        tag_table_object_cast_map = 0x68,
         tag_table_const_qualif = 0x69,
         tag_table_cast_kinds = 0x6a,
     }

branches/stable/src/librustc/metadata/csearch.rs

@@ -297,6 +297,15 @@ pub fn get_impl_trait<'tcx>(tcx: &ty::ctxt<'tcx>,
     decoder::get_impl_trait(&*cdata, def.node, tcx)
 }
 
+// Given a def_id for an impl, return information about its vtables
+pub fn get_impl_vtables<'tcx>(tcx: &ty::ctxt<'tcx>,
+                              def: ast::DefId)
+                              -> ty::vtable_res<'tcx> {
+    let cstore = &tcx.sess.cstore;
+    let cdata = cstore.get_crate_data(def.krate);
+    decoder::get_impl_vtables(&*cdata, def.node, tcx)
+}
+
 pub fn get_native_libraries(cstore: &cstore::CStore, crate_num: ast::CrateNum)
                             -> Vec<(cstore::NativeLibraryKind, String)> {
     let cdata = cstore.get_crate_data(crate_num);
@@ -380,20 +389,15 @@ pub fn is_const_fn(cstore: &cstore::CStore, did: ast::DefId) -> bool {
     decoder::is_const_fn(&*cdata, did.node)
 }
 
-pub fn is_impl(cstore: &cstore::CStore, did: ast::DefId) -> bool {
-    let cdata = cstore.get_crate_data(did.krate);
-    decoder::is_impl(&*cdata, did.node)
-}
-
 pub fn get_stability(cstore: &cstore::CStore,
                      def: ast::DefId)
                      -> Option<attr::Stability> {
     let cdata = cstore.get_crate_data(def.krate);
     decoder::get_stability(&*cdata, def.node)
 }
 
-pub fn is_staged_api(cstore: &cstore::CStore, krate: ast::CrateNum) -> bool {
-    let cdata = cstore.get_crate_data(krate);
+pub fn is_staged_api(cstore: &cstore::CStore, def: ast::DefId) -> bool {
+    let cdata = cstore.get_crate_data(def.krate);
     let attrs = decoder::get_crate_attributes(cdata.data());
     for attr in &attrs {
         if &attr.name()[..] == "staged_api" {
@@ -410,6 +414,11 @@ pub fn get_repr_attrs(cstore: &cstore::CStore, def: ast::DefId)
     decoder::get_repr_attrs(&*cdata, def.node)
 }
 
+pub fn is_associated_type(cstore: &cstore::CStore, def: ast::DefId) -> bool {
+    let cdata = cstore.get_crate_data(def.krate);
+    decoder::is_associated_type(&*cdata, def.node)
+}
+
 pub fn is_defaulted_trait(cstore: &cstore::CStore, trait_def_id: ast::DefId) -> bool {
     let cdata = cstore.get_crate_data(trait_def_id.krate);
     decoder::is_defaulted_trait(&*cdata, trait_def_id.node)

branches/stable/src/librustc/metadata/decoder.rs

@@ -30,6 +30,7 @@ use middle::lang_items;
 use middle::subst;
 use middle::ty::{ImplContainer, TraitContainer};
 use middle::ty::{self, Ty};
+use middle::astencode::vtable_decoder_helpers;
 use util::nodemap::FnvHashMap;
 
 use std::cell::{Cell, RefCell};
@@ -521,6 +522,18 @@ pub fn get_impl_trait<'tcx>(cdata: Cmd,
     }
 }
 
+pub fn get_impl_vtables<'tcx>(cdata: Cmd,
+                              id: ast::NodeId,
+                              tcx: &ty::ctxt<'tcx>)
+                              -> ty::vtable_res<'tcx>
+{
+    let item_doc = lookup_item(id, cdata.data());
+    let vtables_doc = reader::get_doc(item_doc, tag_item_impl_vtables);
+    let mut decoder = reader::Decoder::new(vtables_doc);
+    decoder.read_vtable_res(tcx, cdata)
+}
+
+
 pub fn get_symbol(data: &[u8], id: ast::NodeId) -> String {
     return item_symbol(lookup_item(id, data));
 }
@@ -1533,14 +1546,6 @@ pub fn is_const_fn(cdata: Cmd, id: ast::NodeId) -> bool {
     }
 }
 
-pub fn is_impl(cdata: Cmd, id: ast::NodeId) -> bool {
-    let item_doc = lookup_item(id, cdata.data());
-    match item_family(item_doc) {
-        Impl => true,
-        _ => false,
-    }
-}
-
 fn doc_generics<'tcx>(base_doc: rbml::Doc,
                       tcx: &ty::ctxt<'tcx>,
                       cdata: Cmd,
@@ -1618,6 +1623,14 @@ fn doc_predicates<'tcx>(base_doc: rbml::Doc,
     ty::GenericPredicates { predicates: predicates }
 }
 
+pub fn is_associated_type(cdata: Cmd, id: ast::NodeId) -> bool {
+    let items = reader::get_doc(rbml::Doc::new(cdata.data()), tag_items);
+    match maybe_find_item(id, items) {
+        None => false,
+        Some(item) => item_sort(item) == Some('t'),
+    }
+}
+
 pub fn is_defaulted_trait(cdata: Cmd, trait_id: ast::NodeId) -> bool {
     let trait_doc = lookup_item(trait_id, cdata.data());
     assert!(item_family(trait_doc) == Family::Trait);

branches/stable/src/librustc/metadata/encoder.rs

@@ -999,7 +999,7 @@ fn encode_extension_implementations(ecx: &EncodeContext,
     });
 }
 
-fn encode_stability(rbml_w: &mut Encoder, stab_opt: Option<&attr::Stability>) {
+fn encode_stability(rbml_w: &mut Encoder, stab_opt: Option<attr::Stability>) {
     stab_opt.map(|stab| {
         rbml_w.start_tag(tag_items_data_item_stability);
         stab.encode(rbml_w).unwrap();
@@ -1215,11 +1215,11 @@ fn encode_info_for_item(ecx: &EncodeContext,
           encode_name(rbml_w, item.ident.name);
           encode_unsafety(rbml_w, unsafety);
 
-          let trait_ref = ty::impl_trait_ref(tcx, local_def(item.id)).unwrap();
+          let trait_ref = ty::impl_id_to_trait_ref(tcx, item.id);
           encode_trait_ref(rbml_w, ecx, trait_ref, tag_item_trait_ref);
           rbml_w.end_tag();
       }
-      ast::ItemImpl(unsafety, polarity, _, _, ref ty, ref ast_items) => {
+      ast::ItemImpl(unsafety, polarity, _, ref opt_trait, ref ty, ref ast_items) => {
         // We need to encode information about the default methods we
         // have inherited, so we drive this based on the impl structure.
         let impl_items = tcx.impl_items.borrow();
@@ -1269,7 +1269,8 @@ fn encode_info_for_item(ecx: &EncodeContext,
             }
             rbml_w.end_tag();
         }
-        if let Some(trait_ref) = ty::impl_trait_ref(tcx, local_def(item.id)) {
+        if opt_trait.is_some() {
+            let trait_ref = ty::impl_id_to_trait_ref(tcx, item.id);
             encode_trait_ref(rbml_w, ecx, trait_ref, tag_item_trait_ref);
         }
         encode_path(rbml_w, path.clone());