---

yaml
---
r: 51391
b: refs/heads/incoming
c: c724dae
h: refs/heads/master
i:
  51389: 90341c6
  51387: 9f26034
  51383: e691f63
  51375: f71053c
  51359: d52f3be
  51327: dd0a654
v: v3

Author: bors

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: 8eb2bab100b42f0ba751552d8eff00eb2134c55a
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/incoming: 4bd26481c4c91858c544981990efb2f48e5d3bbe
+refs/heads/incoming: c724dae7def417cd9aea8710d479b28155ed0f4f
 refs/heads/dist-snap: 8b98e5a296d95c5e832db0756828e5bec31c6f50
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/incoming/src/libcore/option.rs

@@ -46,7 +46,7 @@ use ops::Add;
 use kinds::Copy;
 use util;
 use num::Zero;
-use iter::BaseIter;
+use iter::{BaseIter, MutableIter};
 
 #[cfg(test)] use ptr;
 #[cfg(test)] use str;
@@ -323,6 +323,13 @@ impl<T> BaseIter<T> for Option<T> {
     }
 }
 
+impl<T> MutableIter<T> for Option<T> {
+    #[inline(always)]
+    fn each_mut(&mut self, f: &fn(&'self mut T) -> bool) {
+        match *self { None => (), Some(ref mut t) => { f(t); } }
+    }
+}
+
 pub impl<T> Option<T> {
     /// Returns true if the option equals `none`
     #[inline(always)]

branches/incoming/src/libstd/treemap.rs

@@ -72,7 +72,7 @@ pure fn lt<K: Ord + TotalOrd, V>(a: &TreeMap<K, V>,
         }
     };
 
-    return a_len < b_len;
+    a_len < b_len
 }
 
 impl<K: Ord + TotalOrd, V> Ord for TreeMap<K, V> {
@@ -694,22 +694,13 @@ fn remove<K: TotalOrd, V>(node: &mut Option<~TreeNode<K, V>>,
 
                 skew(save);
 
-                match save.right {
-                  Some(ref mut right) => {
+                for save.right.each_mut |right| {
                     skew(right);
-                    match right.right {
-                      Some(ref mut x) => { skew(x) },
-                      None => ()
-                    }
-                  }
-                  None => ()
+                    for right.right.each_mut |x| { skew(x) }
                 }
 
                 split(save);
-                match save.right {
-                  Some(ref mut x) => { split(x) },
-                  None => ()
-                }
+                for save.right.each_mut |x| { split(x) }
             }
 
             return removed;
@@ -718,7 +709,7 @@ fn remove<K: TotalOrd, V>(node: &mut Option<~TreeNode<K, V>>,
     }
 
     *node = None;
-    return true;
+    true
 }
 
 #[cfg(test)]

branches/incoming/src/libsyntax/codemap.rs

@@ -140,7 +140,7 @@ impl cmp::Eq for span {
 
 impl<S:Encoder> Encodable<S> for span {
     /* Note #1972 -- spans are encoded but not decoded */
-    fn encode(&self, _s: &S) { _s.emit_nil() }
+    fn encode(&self, _s: &S) { }
 }
 
 impl<D:Decoder> Decodable<D> for span {

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

@@ -297,9 +297,10 @@ mod test {
     use std;
     use core::io;
     use core::option::None;
+    use core::str;
     use util::testing::*;
 
-    #[test] fn to_json_str<E : Encodable<std::json::Encoder>>(val: @E) -> ~str {
+    #[test] fn to_json_str (val: @Encodable<std::json::Encoder>) -> ~str {
         do io::with_str_writer |writer| {
             val.encode(~std::json::Encoder(writer));
         }
@@ -311,18 +312,18 @@ mod test {
             @~"fn foo (x : int) { x; }",
             ~[],
             new_parse_sess(None));
-        check_equal(to_json_str(@tts),
-                    ~"[[\"tt_tok\",[null,[\"IDENT\",[\"fn\",false]]]],\
-                      [\"tt_tok\",[null,[\"IDENT\",[\"foo\",false]]]],\
-                      [\"tt_delim\",[[[\"tt_tok\",[null,[\"LPAREN\",[]]]],\
-                      [\"tt_tok\",[null,[\"IDENT\",[\"x\",false]]]],\
-                      [\"tt_tok\",[null,[\"COLON\",[]]]],\
-                      [\"tt_tok\",[null,[\"IDENT\",[\"int\",false]]]],\
-                      [\"tt_tok\",[null,[\"RPAREN\",[]]]]]]],\
-                      [\"tt_delim\",[[[\"tt_tok\",[null,[\"LBRACE\",[]]]],\
-                      [\"tt_tok\",[null,[\"IDENT\",[\"x\",false]]]],\
-                      [\"tt_tok\",[null,[\"SEMI\",[]]]],\
-                      [\"tt_tok\",[null,[\"RBRACE\",[]]]]]]]]"
+        check_equal(to_json_str(@tts as @Encodable<std::json::Encoder>),
+                    ~"[[\"tt_tok\",[,[\"IDENT\",[\"fn\",false]]]],\
+                      [\"tt_tok\",[,[\"IDENT\",[\"foo\",false]]]],\
+                      [\"tt_delim\",[[[\"tt_tok\",[,[\"LPAREN\",[]]]],\
+                      [\"tt_tok\",[,[\"IDENT\",[\"x\",false]]]],\
+                      [\"tt_tok\",[,[\"COLON\",[]]]],\
+                      [\"tt_tok\",[,[\"IDENT\",[\"int\",false]]]],\
+                      [\"tt_tok\",[,[\"RPAREN\",[]]]]]]],\
+                      [\"tt_delim\",[[[\"tt_tok\",[,[\"LBRACE\",[]]]],\
+                      [\"tt_tok\",[,[\"IDENT\",[\"x\",false]]]],\
+                      [\"tt_tok\",[,[\"SEMI\",[]]]],\
+                      [\"tt_tok\",[,[\"RBRACE\",[]]]]]]]]"
                    );
         let ast1 = new_parser_from_tts(new_parse_sess(None),~[],tts)
             .parse_item(~[]);