---

yaml
---
r: 42495
b: refs/heads/try
c: 13d07ad
h: refs/heads/master
i:
  42493: 0963d56
  42491: 901e1ac
  42487: 75b0f36
  42479: 25bbdb2
  42463: dca9d33
  42431: 05b16cd
  42367: 5530c1c
  42239: 3a72b48
  41983: 3f927ed
v: v3

Author: thestinger

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 19dfec2aaf746535de1521f68421f9980dbf25de
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 2f46b763da2c098913884f101b6d71d69af41b49
-refs/heads/try: 9788c41ce775c74613fe244d529da56285a3e6b9
+refs/heads/try: 13d07ad0a623a8ceaaee4c5af20de1d1d8afddf7
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: a810c03263670238bccd64cabb12a23a46e3a278

branches/try/src/libcore/container.rs

@@ -0,0 +1,24 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Container traits
+
+pub trait Set<T> {
+    /// Return true if the set contains a value
+    pure fn contains(&self, value: &T) -> bool;
+
+    /// Add a value to the set. Return true if the value was not already
+    /// present in the set.
+    fn insert(&mut self, value: T) -> bool;
+
+    /// Remove a value from the set. Return true if the value was
+    /// present in the set.
+    fn remove(&mut self, value: &T) -> bool;
+}

branches/try/src/libcore/core.rc

@@ -122,6 +122,7 @@ pub mod to_bytes;
 pub mod clone;
 pub mod io;
 pub mod hash;
+pub mod container;
 
 
 /* Common data structures */

branches/try/src/libcore/repr.rs

@@ -286,13 +286,7 @@ impl ReprVisitor : TyVisitor {
     fn visit_f32() -> bool { self.write::<f32>() }
     fn visit_f64() -> bool { self.write::<f64>() }
 
-    fn visit_char() -> bool {
-        do self.get::<char> |&ch| {
-            self.writer.write_char('\'');
-            self.writer.write_escaped_char(ch);
-            self.writer.write_char('\'');
-        }
-    }
+    fn visit_char() -> bool { self.write::<u32>() }
 
     // Type no longer exists, vestigial function.
     fn visit_str() -> bool { fail; }

branches/try/src/libstd/treemap.rs

@@ -14,6 +14,7 @@
 
 #[forbid(deprecated_mode)];
 
+use core::container::Set;
 use core::cmp::{Eq, Ord};
 use core::option::{Option, Some, None};
 use core::prelude::*;
@@ -197,6 +198,21 @@ impl <T: Eq Ord> TreeSet<T>: Eq {
     pure fn ne(&self, other: &TreeSet<T>) -> bool { self.map != other.map }
 }
 
+impl <T: Ord> TreeSet<T>: Set<T> {
+    /// Return true if the set contains a value
+    pure fn contains(&self, value: &T) -> bool {
+        self.map.contains_key(value)
+    }
+
+    /// Add a value to the set. Return true if the value was not already
+    /// present in the set.
+    fn insert(&mut self, value: T) -> bool { self.map.insert(value, ()) }
+
+    /// Remove a value from the set. Return true if the value was
+    /// present in the set.
+    fn remove(&mut self, value: &T) -> bool { self.map.remove(value) }
+}
+
 impl <T: Ord> TreeSet<T> {
     /// Create an empty TreeSet
     static pure fn new() -> TreeSet<T> { TreeSet{map: TreeMap::new()} }
@@ -215,19 +231,6 @@ impl <T: Ord> TreeSet<T> {
         self.map.each_key_reverse(f)
     }
 
-    /// Return true if the set contains a value
-    pure fn contains(&self, value: &T) -> bool {
-        self.map.contains_key(value)
-    }
-
-    /// Add a value to the set. Return true if the value was not
-    /// already present in the set.
-    fn insert(&mut self, value: T) -> bool { self.map.insert(value, ()) }
-
-    /// Remove a value from the set. Return true if the value was
-    /// present in the set.
-    fn remove(&mut self, value: &T) -> bool { self.map.remove(value) }
-
     /// Get a lazy iterator over the values in the set.
     /// Requires that it be frozen (immutable).
     pure fn iter(&self) -> TreeSetIterator/&self<T> {