---

yaml
---
r: 226170
b: refs/heads/snap-stage3
c: eefeba0
h: refs/heads/master
v: v3

Author: eefriedman

[refs]

@@ -1,6 +1,6 @@
 ---
 refs/heads/master: e5d90d98402475b6e154ce216f9efcb80da1a747
-refs/heads/snap-stage3: a42e21d66e78ff821602beb521bc942d1c722f6c
+refs/heads/snap-stage3: eefeba08f8702481fdb38b915389d5470bc874d0
 refs/heads/try: b53c0f93eedcdedd4fd89bccc5a3a09d1c5cd23e
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/snap-stage3/src/doc/reference.md

@@ -2368,8 +2368,6 @@ The currently implemented features of the reference compiler are:
                               internally without imposing on callers
                               (i.e. making them behave like function calls in
                               terms of encapsulation).
-* - `default_type_parameter_fallback` - Allows type parameter defaults to
-                                        influence type inference.
 
 If a feature is promoted to a language feature, then all existing programs will
 start to receive compilation warnings about `#![feature]` directives which enabled

branches/snap-stage3/src/doc/rust.css

@@ -221,10 +221,6 @@ a > code {
     color: #428BCA;
 }
 
-.section-header > a > code {
-    color: #8D1A38;
-}
-
 /* Code highlighting */
 pre.rust .kw { color: #8959A8; }
 pre.rust .kw-2, pre.rust .prelude-ty { color: #4271AE; }

branches/snap-stage3/src/doc/trpl/SUMMARY.md

@@ -16,7 +16,6 @@
     * [Iterators](iterators.md)
     * [Concurrency](concurrency.md)
     * [Error Handling](error-handling.md)
-    * [Choosing your Guarantees](choosing-your-guarantees.md)
     * [FFI](ffi.md)
     * [Borrow and AsRef](borrow-and-asref.md)
     * [Release Channels](release-channels.md)

branches/snap-stage3/src/doc/trpl/choosing-your-guarantees.md

@@ -84,18 +84,10 @@ pub fn from_u32(i: u32) -> Option<char> {
     if (i > MAX as u32) || (i >= 0xD800 && i <= 0xDFFF) {
         None
     } else {
-        Some(unsafe { from_u32_unchecked(i) })
+        Some(unsafe { transmute(i) })
     }
 }
 
-/// Converts a `u32` to an `char`, not checking whether it is a valid unicode
-/// codepoint.
-#[inline]
-#[unstable(feature = "char_from_unchecked", reason = "recently added API")]
-pub unsafe fn from_u32_unchecked(i: u32) -> char {
-    transmute(i)
-}
-
 /// Converts a number to the character representing it.
 ///
 /// # Return value
@@ -123,11 +115,12 @@ pub fn from_digit(num: u32, radix: u32) -> Option<char> {
         panic!("from_digit: radix is too high (maximum 36)");
     }
     if num < radix {
-        let num = num as u8;
-        if num < 10 {
-            Some((b'0' + num) as char)
-        } else {
-            Some((b'a' + num - 10) as char)
+        unsafe {
+            if num < 10 {
+                Some(transmute('0' as u32 + num))
+            } else {
+                Some(transmute('a' as u32 + num - 10))
+            }
         }
     } else {
         None
@@ -325,13 +318,16 @@ impl Iterator for EscapeUnicode {
                 Some('{')
             }
             EscapeUnicodeState::Value(offset) => {
-                let c = from_digit(((self.c as u32) >> (offset * 4)) & 0xf, 16).unwrap();
+                let v = match ((self.c as i32) >> (offset * 4)) & 0xf {
+                    i @ 0 ... 9 => '0' as i32 + i,
+                    i => 'a' as i32 + (i - 10)
+                };
                 if offset == 0 {
                     self.state = EscapeUnicodeState::RightBrace;
                 } else {
                     self.state = EscapeUnicodeState::Value(offset - 1);
                 }
-                Some(c)
+                Some(unsafe { transmute(v) })
             }
             EscapeUnicodeState::RightBrace => {
                 self.state = EscapeUnicodeState::Done;

branches/snap-stage3/src/libcore/char.rs

@@ -119,7 +119,6 @@ pub enum Node<'ast> {
     NodeStructCtor(&'ast StructDef),
 
     NodeLifetime(&'ast Lifetime),
-    NodeTyParam(&'ast TyParam)
 }
 
 /// Represents an entry and its parent NodeID.
@@ -143,7 +142,6 @@ enum MapEntry<'ast> {
     EntryBlock(NodeId, &'ast Block),
     EntryStructCtor(NodeId, &'ast StructDef),
     EntryLifetime(NodeId, &'ast Lifetime),
-    EntryTyParam(NodeId, &'ast TyParam),
 
     /// Roots for node trees.
     RootCrate,
@@ -177,8 +175,7 @@ impl<'ast> MapEntry<'ast> {
             NodePat(n) => EntryPat(p, n),
             NodeBlock(n) => EntryBlock(p, n),
             NodeStructCtor(n) => EntryStructCtor(p, n),
-            NodeLifetime(n) => EntryLifetime(p, n),
-            NodeTyParam(n) => EntryTyParam(p, n),
+            NodeLifetime(n) => EntryLifetime(p, n)
         }
     }
 
@@ -197,7 +194,6 @@ impl<'ast> MapEntry<'ast> {
             EntryBlock(id, _) => id,
             EntryStructCtor(id, _) => id,
             EntryLifetime(id, _) => id,
-            EntryTyParam(id, _) => id,
             _ => return None
         })
     }
@@ -217,7 +213,6 @@ impl<'ast> MapEntry<'ast> {
             EntryBlock(_, n) => NodeBlock(n),
             EntryStructCtor(_, n) => NodeStructCtor(n),
             EntryLifetime(_, n) => NodeLifetime(n),
-            EntryTyParam(_, n) => NodeTyParam(n),
             _ => return None
         })
     }
@@ -578,7 +573,6 @@ impl<'ast> Map<'ast> {
             Some(NodePat(pat)) => pat.span,
             Some(NodeBlock(block)) => block.span,
             Some(NodeStructCtor(_)) => self.expect_item(self.get_parent(id)).span,
-            Some(NodeTyParam(ty_param)) => ty_param.span,
             _ => return None,
         };
         Some(sp)
@@ -821,14 +815,6 @@ impl<'ast> Visitor<'ast> for NodeCollector<'ast> {
         self.parent_node = parent_node;
     }
 
-    fn visit_generics(&mut self, generics: &'ast Generics) {
-        for ty_param in generics.ty_params.iter() {
-            self.insert(ty_param.id, NodeTyParam(ty_param));
-        }
-
-        visit::walk_generics(self, generics);
-    }
-
     fn visit_trait_item(&mut self, ti: &'ast TraitItem) {
         let parent_node = self.parent_node;
         self.parent_node = ti.id;
@@ -1029,7 +1015,7 @@ impl<'a> NodePrinter for pprust::State<'a> {
             NodePat(a)         => self.print_pat(&*a),
             NodeBlock(a)       => self.print_block(&*a),
             NodeLifetime(a)    => self.print_lifetime(&*a),
-            NodeTyParam(_)     => panic!("cannot print TyParam"),
+
             // these cases do not carry enough information in the
             // ast_map to reconstruct their full structure for pretty
             // printing.
@@ -1137,9 +1123,6 @@ fn node_id_to_string(map: &Map, id: NodeId, include_id: bool) -> String {
             format!("lifetime {}{}",
                     pprust::lifetime_to_string(&**l), id_str)
         }
-        Some(NodeTyParam(ref ty_param)) => {
-            format!("typaram {:?}{}", ty_param, id_str)
-        }
         None => {
             format!("unknown node{}", id_str)
         }