---

yaml
---
r: 61439
b: refs/heads/try
c: 3122d80
h: refs/heads/master
i:
  61437: 483eba1
  61435: e83e568
  61431: 774808c
  61423: 9506b71
  61407: dd7e0ae
  61375: 806fed7
  61311: 9f2e87b
  61183: 0d85eca
  60927: 97020a4
  60415: 3e4adb0
  59391: 60c171b
  57343: b593331
v: v3

Author: gifnksm

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 2d28d645422c1617be58c8ca7ad9a457264ca850
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 2d28d645422c1617be58c8ca7ad9a457264ca850
-refs/heads/try: 54fbac505ed13c4afe193c8c4d6212df708e74d0
+refs/heads/try: 3122d8027bfb38b76a916ef0e7be850da62f6e0b
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libcore/iterator.rs

@@ -53,6 +53,8 @@ pub trait IteratorUtil<A> {
     fn last(&mut self) -> A;
     fn fold<B>(&mut self, start: B, f: &fn(B, A) -> B) -> B;
     fn count(&mut self) -> uint;
+    fn all(&mut self, f: &fn(&A) -> bool) -> bool;
+    fn any(&mut self, f: &fn(&A) -> bool) -> bool;
 }
 
 /// Iterator adaptors provided for every `Iterator` implementation. The adaptor objects are also
@@ -204,6 +206,18 @@ impl<A, T: Iterator<A>> IteratorUtil<A> for T {
     /// Count the number of an iterator elemenrs
     #[inline(always)]
     fn count(&mut self) -> uint { self.fold(0, |cnt, _x| cnt + 1) }
+
+    #[inline(always)]
+    fn all(&mut self, f: &fn(&A) -> bool) -> bool {
+        for self.advance |x| { if !f(&x) { return false; } }
+        return true;
+    }
+
+    #[inline(always)]
+    fn any(&mut self, f: &fn(&A) -> bool) -> bool {
+        for self.advance |x| { if f(&x) { return true; } }
+        return false;
+    }
 }
 
 pub trait AdditiveIterator<A> {
@@ -754,4 +768,21 @@ mod tests {
         assert_eq!(v.slice(0, 0).iter().transform(|&x| x).min(), None);
     }
 
+    #[test]
+    fn test_all() {
+        let v = ~&[1, 2, 3, 4, 5];
+        assert!(v.iter().all(|&x| *x < 10));
+        assert!(!v.iter().all(|&x| x.is_even()));
+        assert!(!v.iter().all(|&x| *x > 100));
+        assert!(v.slice(0, 0).iter().all(|_| fail!()));
+    }
+
+    #[test]
+    fn test_any() {
+        let v = ~&[1, 2, 3, 4, 5];
+        assert!(v.iter().any(|&x| *x < 10));
+        assert!(v.iter().any(|&x| x.is_even()));
+        assert!(!v.iter().any(|&x| *x > 100));
+        assert!(!v.slice(0, 0).iter().any(|_| fail!()));
+    }
 }