---

yaml
---
r: 174452
b: refs/heads/batch
c: 66003c0
h: refs/heads/master
v: v3

Author: Alfie John

[refs]

@@ -29,7 +29,7 @@ refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
 refs/heads/issue-18208-method-dispatch-2: 9e1eae4fb9b6527315b4441cf8a0f5ca911d1671
 refs/heads/automation-fail: 1bf06495443584539b958873e04cc2f864ab10e4
 refs/heads/issue-18208-method-dispatch-3-quick-reject: 2009f85b9f99dedcec4404418eda9ddba90258a2
-refs/heads/batch: 61eb6b452d1e6b7876334cde730fd4bc7df9e9eb
+refs/heads/batch: 66003c06a19836f049996a629e8db4b6a118d5fa
 refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
 refs/heads/beta: 44a287e6eb22ec3c2a687fc156813577464017f7
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928

branches/batch/src/doc/reference.md

@@ -257,18 +257,18 @@ cases mentioned in [Number literals](#number-literals) below.
 
 | [Number literals](#number-literals)`*` | Example | Exponentiation | Suffixes |
 |----------------------------------------|---------|----------------|----------|
-| Decimal integer | `98_222i` | `N/A` | Integer suffixes |
-| Hex integer | `0xffi` | `N/A` | Integer suffixes |
-| Octal integer | `0o77i` | `N/A` | Integer suffixes |
-| Binary integer | `0b1111_0000i` | `N/A` | Integer suffixes |
+| Decimal integer | `98_222is` | `N/A` | Integer suffixes |
+| Hex integer | `0xffis` | `N/A` | Integer suffixes |
+| Octal integer | `0o77is` | `N/A` | Integer suffixes |
+| Binary integer | `0b1111_0000is` | `N/A` | Integer suffixes |
 | Floating-point | `123.0E+77f64` | `Optional` | Floating-point suffixes |
 
 `*` All number literals allow `_` as a visual separator: `1_234.0E+18f64`
 
 ##### Suffixes
 | Integer | Floating-point |
 |---------|----------------|
-| `i` (`int`), `u` (`uint`), `u8`, `i8`, `u16`, `i16`, `u32`, `i32`, `u64`, `i64` | `f32`, `f64` |
+| `is` (`isize`), `us` (`usize`), `u8`, `i8`, `u16`, `i16`, `u32`, `i32`, `u64`, `i64` | `f32`, `f64` |
 
 #### Character and string literals
 
@@ -468,7 +468,7 @@ Like any literal, an integer literal may be followed (immediately,
 without any spaces) by an _integer suffix_, which forcibly sets the
 type of the literal. There are 10 valid values for an integer suffix:
 
-* The `i` and `u` suffixes give the literal type `int` or `uint`,
+* The `is` and `us` suffixes give the literal type `isize` or `usize`,
   respectively.
 * Each of the signed and unsigned machine types `u8`, `i8`,
   `u16`, `i16`, `u32`, `i32`, `u64` and `i64`
@@ -483,9 +483,9 @@ context overconstrains the type, it is also considered a static type error.
 Examples of integer literals of various forms:
 
 ```
-123i;                              // type int
-123u;                              // type uint
-123_u;                             // type uint
+123is;                             // type isize
+123us;                             // type usize
+123_us                             // type usize
 0xff_u8;                           // type u8
 0o70_i16;                          // type i16
 0b1111_1111_1001_0000_i32;         // type i32
@@ -1002,11 +1002,11 @@ use std::option::Option::{Some, None};
 use std::collections::hash_map::{mod, HashMap};
 
 fn foo<T>(_: T){}
-fn bar(map1: HashMap<String, uint>, map2: hash_map::HashMap<String, uint>){}
+fn bar(map1: HashMap<String, usize>, map2: hash_map::HashMap<String, usize>){}
 
 fn main() {
-    // Equivalent to 'std::iter::range_step(0u, 10u, 2u);'
-    range_step(0u, 10u, 2u);
+    // Equivalent to 'std::iter::range_step(0us, 10, 2);'
+    range_step(0us, 10, 2);
 
     // Equivalent to 'foo(vec![std::option::Option::Some(1.0f64),
     // std::option::Option::None]);'
@@ -1611,7 +1611,7 @@ trait is in scope) to pointers to the trait name, used as a type.
 ```
 # trait Shape { }
 # impl Shape for int { }
-# let mycircle = 0i;
+# let mycircle = 0is;
 let myshape: Box<Shape> = Box::new(mycircle) as Box<Shape>;
 ```
 
@@ -2821,7 +2821,7 @@ parentheses. They are used to create [tuple-typed](#tuple-types) values.
 ```{.tuple}
 (0,);
 (0.0, 4.5);
-("a", 4u, true);
+("a", 4us, true);
 ```
 
 ### Unit expressions
@@ -2958,9 +2958,9 @@ constant expression that can be evaluated at compile time, such as a
 [literal](#literals) or a [static item](#static-items).
 
 ```
-[1i, 2, 3, 4];
+[1is, 2, 3, 4];
 ["a", "b", "c", "d"];
-[0i; 128];             // array with 128 zeros
+[0is; 128];            // array with 128 zeros
 [0u8, 0u8, 0u8, 0u8];
 ```
 
@@ -3133,7 +3133,7 @@ moves](#moved-and-copied-types) its right-hand operand to its left-hand
 operand.
 
 ```
-# let mut x = 0i;
+# let mut x = 0is;
 # let y = 0;
 
 x = y;
@@ -3270,7 +3270,7 @@ conditional expression evaluates to `false`, the `while` expression completes.
 An example:
 
 ```
-let mut i = 0u;
+let mut i = 0us;
 
 while i < 10 {
     println!("hello");
@@ -3349,8 +3349,8 @@ for e in v.iter() {
 An example of a for loop over a series of integers:
 
 ```
-# fn bar(b:uint) { }
-for i in range(0u, 256) {
+# fn bar(b:usize) { }
+for i in range(0us, 256) {
     bar(i);
 }
 ```
@@ -3520,11 +3520,11 @@ fn main() {
 ```
 
 Patterns can also dereference pointers by using the `&`, `&mut` and `box`
-symbols, as appropriate. For example, these two matches on `x: &int` are
+symbols, as appropriate. For example, these two matches on `x: &isize` are
 equivalent:
 
 ```
-# let x = &3i;
+# let x = &3is;
 let y = match *x { 0 => "zero", _ => "some" };
 let z = match x { &0 => "zero", _ => "some" };
 
@@ -3545,7 +3545,7 @@ Multiple match patterns may be joined with the `|` operator. A range of values
 may be specified with `...`. For example:
 
 ```
-# let x = 2i;
+# let x = 2is;
 
 let message = match x {
   0 | 1  => "not many",
@@ -3886,16 +3886,16 @@ The type of a closure mapping an input of type `A` to an output of type `B` is
 An example of creating and calling a closure:
 
 ```rust
-let captured_var = 10i;
+let captured_var = 10is;
 
 let closure_no_args = |&:| println!("captured_var={}", captured_var);
 
-let closure_args = |&: arg: int| -> int {
+let closure_args = |&: arg: isize| -> isize {
   println!("captured_var={}, arg={}", captured_var, arg);
   arg // Note lack of semicolon after 'arg'
 };
 
-fn call_closure<F: Fn(), G: Fn(int) -> int>(c1: F, c2: G) {
+fn call_closure<F: Fn(), G: Fn(isize) -> isize>(c1: F, c2: G) {
   c1();
   c2(2);
 }
@@ -3927,7 +3927,7 @@ trait Printable {
   fn stringify(&self) -> String;
 }
 
-impl Printable for int {
+impl Printable for isize {
   fn stringify(&self) -> String { self.to_string() }
 }
 
@@ -3936,7 +3936,7 @@ fn print(a: Box<Printable>) {
 }
 
 fn main() {
-   print(Box::new(10i) as Box<Printable>);
+   print(Box::new(10is) as Box<Printable>);
 }
 ```
 

branches/batch/src/etc/nano/rust.nanorc

@@ -34,7 +34,7 @@
 //!
 //! An object is a series of string keys mapping to values, in `"key": value` format.
 //! Arrays are enclosed in square brackets ([ ... ]) and objects in curly brackets ({ ... }).
-//! A simple JSON document encoding a person, their age, address and phone numbers could look like
+//! A simple JSON document encoding a person, his/her age, address and phone numbers could look like
 //!
 //! ```ignore
 //! {

branches/batch/src/libserialize/json.rs

@@ -2112,6 +2112,23 @@ mod test_map {
         assert_eq!(m.remove(&0), Some(0));
     }
 
+    #[test]
+    fn test_find_equiv() {
+        let mut m = HashMap::new();
+
+        let (foo, bar, baz) = (1i,2i,3i);
+        m.insert("foo".to_string(), foo);
+        m.insert("bar".to_string(), bar);
+        m.insert("baz".to_string(), baz);
+
+
+        assert_eq!(m.get("foo"), Some(&foo));
+        assert_eq!(m.get("bar"), Some(&bar));
+        assert_eq!(m.get("baz"), Some(&baz));
+
+        assert_eq!(m.get("qux"), None);
+    }
+
     #[test]
     fn test_from_iter() {
         let xs = [(1i, 1i), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)];

branches/batch/src/libstd/collections/hash/map.rs

@@ -253,10 +253,9 @@ pub fn file_to_filemap(sess: &ParseSess, path: &Path, spanopt: Option<Span>)
     let bytes = match File::open(path).read_to_end() {
         Ok(bytes) => bytes,
         Err(e) => {
-            let error_msg = e.desc;
-            err(&format!("couldn't read {:?}: {}",
+            err(&format!("couldn't read {:?}: {:?}",
                         path.display(),
-                        error_msg)[]);
+                        e)[]);
             unreachable!()
         }
     };

branches/batch/src/libsyntax/parse/mod.rs

@@ -2139,7 +2139,6 @@ impl<'a> Parser<'a> {
 
         let ex: Expr_;
 
-        // Note: when adding new syntax here, don't forget to adjust Token::can_begin_expr().
         match self.token {
             token::OpenDelim(token::Paren) => {
                 self.bump();
@@ -2777,7 +2776,6 @@ impl<'a> Parser<'a> {
         let lo = self.span.lo;
         let hi;
 
-        // Note: when adding new unary operators, don't forget to adjust Token::can_begin_expr()
         let ex;
         match self.token {
           token::Not => {
@@ -5538,6 +5536,13 @@ impl<'a> Parser<'a> {
         (id, ItemEnum(enum_definition, generics), None)
     }
 
+    fn fn_expr_lookahead(tok: &token::Token) -> bool {
+        match *tok {
+          token::OpenDelim(token::Paren) | token::At | token::Tilde | token::BinOp(_) => true,
+          _ => false
+        }
+    }
+
     /// Parses a string as an ABI spec on an extern type or module. Consumes
     /// the `extern` keyword, if one is found.
     fn parse_opt_abi(&mut self) -> Option<abi::Abi> {
@@ -5710,7 +5715,8 @@ impl<'a> Parser<'a> {
                                     maybe_append(attrs, extra_attrs));
             return IoviItem(item);
         }
-        if self.token.is_keyword(keywords::Fn) {
+        if self.token.is_keyword(keywords::Fn) &&
+                self.look_ahead(1, |f| !Parser::fn_expr_lookahead(f)) {
             // FUNCTION ITEM
             self.bump();
             let (ident, item_, extra_attrs) =

branches/batch/src/libsyntax/parse/parser.rs

@@ -183,14 +183,14 @@ impl Token {
             Underscore                  => true,
             Tilde                       => true,
             Literal(_, _)               => true,
+            Pound                       => true,
+            At                          => true,
             Not                         => true,
             BinOp(Minus)                => true,
             BinOp(Star)                 => true,
             BinOp(And)                  => true,
             BinOp(Or)                   => true, // in lambda syntax
             OrOr                        => true, // in lambda syntax
-            AndAnd                      => true, // double borrow
-            DotDot                      => true, // range notation
             ModSep                      => true,
             Interpolated(NtExpr(..))    => true,
             Interpolated(NtIdent(..))   => true,

branches/batch/src/libsyntax/parse/token.rs

@@ -12,9 +12,6 @@
 
 fn foo() -> int { 42 }
 
-// Test that range syntax works in return statements
-fn return_range_to() -> ::std::ops::RangeTo<i32> { return ..1; }
-
 pub fn main() {
     let mut count = 0;
     for i in 0u..10 {