---

yaml
---
r: 72695
b: refs/heads/dist-snap
c: 44c1e46
h: refs/heads/master
i:
  72693: 4c7cca0
  72691: 3b5fe47
  72687: 45c9845
v: v3

Author: alexcrichton

[refs]

@@ -7,7 +7,7 @@ refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
 refs/heads/incoming: b50030718cf28f2a5a81857a26b57442734fe854
-refs/heads/dist-snap: 24de5bb649434fc57e1c06bbbe74bbc4662526ce
+refs/heads/dist-snap: 44c1e46ef5bb78b61e4aec28c0b8cef312404d18
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0

branches/dist-snap/src/libcore/stackwalk.rs

@@ -64,20 +64,32 @@ fn test_simple_deep() {
         if i == 0 { return }
 
         for walk_stack |_frame| {
-            // Would be nice to test something here...
+            breakpoint();
         }
         run(i - 1);
     }
 
     run(10);
 }
 
+fn breakpoint() {
+    unsafe {
+        rustrt::rust_dbg_breakpoint()
+    }
+}
+
 fn frame_address(f: &fn(x: *u8)) {
     unsafe {
         rusti::frame_address(f)
     }
 }
 
+pub mod rustrt {
+    pub extern {
+        pub unsafe fn rust_dbg_breakpoint();
+    }
+}
+
 pub mod rusti {
     #[abi = "rust-intrinsic"]
     pub extern "rust-intrinsic" {

branches/dist-snap/src/libcore/vec.rs

@@ -991,7 +991,7 @@ pub fn connect<T:Copy>(v: &[~[T]], sep: &T) -> ~[T] {
  * ~~~
  *
  */
-pub fn foldl<T, U>(z: T, v: &[U], p: &fn(t: T, u: &U) -> T) -> T {
+pub fn foldl<'a, T, U>(z: T, v: &'a [U], p: &fn(t: T, u: &'a U) -> T) -> T {
     let mut accum = z;
     let mut i = 0;
     let l = v.len();
@@ -1023,12 +1023,13 @@ pub fn foldl<T, U>(z: T, v: &[U], p: &fn(t: T, u: &U) -> T) -> T {
  * ~~~
  *
  */
-pub fn foldr<T, U: Copy>(v: &[T], z: U, p: &fn(t: &T, u: U) -> U) -> U {
-    let mut accum = z;
-    for v.each_reverse |elt| {
-        accum = p(elt, accum);
+pub fn foldr<'a, T, U>(v: &'a [T], mut z: U, p: &fn(t: &'a T, u: U) -> U) -> U {
+    let mut i = v.len();
+    while i > 0 {
+        i -= 1;
+        z = p(&v[i], z);
     }
-    accum
+    return z;
 }
 
 /**
@@ -1851,7 +1852,7 @@ pub trait ImmutableVector<'self, T> {
     fn last_opt(&self) -> Option<&'self T>;
     fn each_reverse(&self, blk: &fn(&T) -> bool);
     fn eachi_reverse(&self, blk: &fn(uint, &T) -> bool);
-    fn foldr<U: Copy>(&self, z: U, p: &fn(t: &T, u: U) -> U) -> U;
+    fn foldr<'a, U>(&'a self, z: U, p: &fn(t: &'a T, u: U) -> U) -> U;
     fn map<U>(&self, f: &fn(t: &T) -> U) -> ~[U];
     fn mapi<U>(&self, f: &fn(uint, t: &T) -> U) -> ~[U];
     fn map_r<U>(&self, f: &fn(x: &T) -> U) -> ~[U];
@@ -1924,7 +1925,7 @@ impl<'self,T> ImmutableVector<'self, T> for &'self [T] {
 
     /// Reduce a vector from right to left
     #[inline]
-    fn foldr<U:Copy>(&self, z: U, p: &fn(t: &T, u: U) -> U) -> U {
+    fn foldr<'a, U>(&'a self, z: U, p: &fn(t: &'a T, u: U) -> U) -> U {
         foldr(*self, z, p)
     }