---

yaml
---
r: 159575
b: refs/heads/auto
c: d431a67
h: refs/heads/master
i:
  159573: 020f7b9
  159571: 4efec0f
  159567: 775aed2
v: v3

Author: brendanzab

[refs]

@@ -10,7 +10,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: d1eb68e8d7d2883c70304021d5443c96bca18abb
+refs/heads/auto: d431a67cecc426a4d24dcf24d72a9147b8e08860
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/libcore/iter.rs

@@ -62,7 +62,7 @@ use clone::Clone;
 use cmp;
 use cmp::{PartialEq, PartialOrd, Ord};
 use mem;
-use num::{Zero, One, CheckedAdd, CheckedSub, Saturating, ToPrimitive, Int};
+use num::{Zero, One, CheckedAdd, CheckedSub, ToPrimitive, Int};
 use ops::{Add, Mul, Sub};
 use option::{Option, Some, None};
 use uint;

branches/auto/src/libcore/num/mod.rs

@@ -525,6 +525,28 @@ pub trait Int: Primitive
     fn to_le(self) -> Self {
         if cfg!(target_endian = "little") { self } else { self.swap_bytes() }
     }
+
+    /// Saturating addition. Returns `self + other`, saturating at the
+    /// numeric bounds instead of overflowing.
+    #[inline]
+    fn saturating_add(self, other: Self) -> Self {
+        match self.checked_add(&other) {
+            Some(x)                       => x,
+            None if other >= Zero::zero() => Bounded::max_value(),
+            None                          => Bounded::min_value(),
+        }
+    }
+
+    /// Saturating subtraction. Returns `self - other`, saturating at the
+    /// numeric bounds instead of overflowing.
+    #[inline]
+    fn saturating_sub(self, other: Self) -> Self {
+        match self.checked_sub(&other) {
+            Some(x)                       => x,
+            None if other >= Zero::zero() => Bounded::min_value(),
+            None                          => Bounded::max_value(),
+        }
+    }
 }
 
 macro_rules! int_impl {
@@ -1150,43 +1172,6 @@ impl_num_cast!(int,   to_int)
 impl_num_cast!(f32,   to_f32)
 impl_num_cast!(f64,   to_f64)
 
-/// Saturating math operations
-pub trait Saturating {
-    /// Saturating addition operator.
-    /// Returns a+b, saturating at the numeric bounds instead of overflowing.
-    fn saturating_add(self, v: Self) -> Self;
-
-    /// Saturating subtraction operator.
-    /// Returns a-b, saturating at the numeric bounds instead of overflowing.
-    fn saturating_sub(self, v: Self) -> Self;
-}
-
-impl<T: CheckedAdd + CheckedSub + Zero + PartialOrd + Bounded> Saturating for T {
-    #[inline]
-    fn saturating_add(self, v: T) -> T {
-        match self.checked_add(&v) {
-            Some(x) => x,
-            None => if v >= Zero::zero() {
-                Bounded::max_value()
-            } else {
-                Bounded::min_value()
-            }
-        }
-    }
-
-    #[inline]
-    fn saturating_sub(self, v: T) -> T {
-        match self.checked_sub(&v) {
-            Some(x) => x,
-            None => if v >= Zero::zero() {
-                Bounded::min_value()
-            } else {
-                Bounded::max_value()
-            }
-        }
-    }
-}
-
 /// Performs addition that returns `None` instead of wrapping around on overflow.
 pub trait CheckedAdd: Add<Self, Self> {
     /// Adds two numbers, checking for overflow. If overflow happens, `None` is returned.

branches/auto/src/libcore/slice.rs

@@ -40,7 +40,7 @@ use cmp::{PartialEq, PartialOrd, Eq, Ord, Ordering, Less, Equal, Greater, Equiv}
 use cmp;
 use default::Default;
 use iter::*;
-use num::{CheckedAdd, Saturating, div_rem};
+use num::{CheckedAdd, Int, div_rem};
 use ops;
 use option::{None, Option, Some};
 use ptr;

branches/auto/src/libcore/str.rs

@@ -25,7 +25,7 @@ use iter::{Map, Iterator};
 use iter::{DoubleEndedIterator, ExactSize};
 use iter::range;
 use kinds::Sized;
-use num::{CheckedMul, Saturating};
+use num::{CheckedMul, Int};
 use option::{Option, None, Some};
 use raw::Repr;
 use slice::{mod, SlicePrelude};

branches/auto/src/libstd/num/mod.rs

@@ -23,7 +23,7 @@ use option::Option;
 pub use core::num::{Num, div_rem, Zero, zero, One, one};
 pub use core::num::{Signed, abs, signum};
 pub use core::num::{Unsigned, pow, Bounded};
-pub use core::num::{Primitive, Int, UnsignedInt, Saturating};
+pub use core::num::{Primitive, Int, UnsignedInt};
 pub use core::num::{CheckedAdd, CheckedSub, CheckedMul, CheckedDiv};
 pub use core::num::{cast, FromPrimitive, NumCast, ToPrimitive};
 pub use core::num::{next_power_of_two, is_power_of_two};

branches/auto/src/libtest/lib.rs

@@ -106,7 +106,6 @@ enum NamePadding { PadNone, PadOnLeft, PadOnRight }
 
 impl TestDesc {
     fn padded_name(&self, column_count: uint, align: NamePadding) -> String {
-        use std::num::Saturating;
         let mut name = String::from_str(self.name.as_slice());
         let fill = column_count.saturating_sub(name.len());
         let mut pad = " ".repeat(fill);