auto merge of #11548 : bjz/rust/bitwise, r=alexcrichton

One less trait in `std::num` and three less exported in the prelude.

cc. #10387

Author: bors

src/etc/vim/syntax/rust.vim

@@ -83,8 +83,7 @@ syn keyword rustTrait OrdIterator MutableDoubleEndedIterator ExactSize
 syn keyword rustTrait Times
 
 syn keyword rustTrait Algebraic Trigonometric Exponential Hyperbolic
-syn keyword rustTrait Bitwise BitCount Bounded
-syn keyword rustTrait Integer Fractional Real RealExt
+syn keyword rustTrait Bitwise Bounded Integer Fractional Real RealExt
 syn keyword rustTrait Num NumCast CheckedAdd CheckedSub CheckedMul
 syn keyword rustTrait Orderable Signed Unsigned Round
 syn keyword rustTrait Primitive Int Float ToStrRadix ToPrimitive FromPrimitive

src/libextra/enum_set.rs

@@ -13,6 +13,8 @@
 //! This module defines a container which uses an efficient bit mask
 //! representation to hold C-like enum variants.
 
+use std::num::Bitwise;
+
 #[deriving(Clone, Eq, IterBytes, ToStr, Encodable, Decodable)]
 /// A specialized Set implementation to use enum types.
 pub struct EnumSet<E> {

src/libextra/num/bigint.rs

@@ -22,7 +22,7 @@ A `BigInt` is a combination of `BigUint` and `Sign`.
 use std::cmp::{Eq, Ord, TotalEq, TotalOrd, Ordering, Less, Equal, Greater};
 use std::num;
 use std::num::{Zero, One, ToStrRadix, FromStrRadix, Orderable};
-use std::num::{ToPrimitive, FromPrimitive};
+use std::num::{Bitwise, ToPrimitive, FromPrimitive};
 use std::rand::Rng;
 use std::str;
 use std::uint;

src/librustc/util/sha2.rs

@@ -523,6 +523,7 @@ static H256: [u32, ..8] = [
 #[cfg(test)]
 mod tests {
     use super::{Digest, Sha256, FixedBuffer};
+    use std::num::Bounded;
     use std::vec;
     use std::rand::isaac::IsaacRng;
     use std::rand::Rng;

src/librustpkg/sha1.rs

@@ -445,6 +445,7 @@ impl Digest for Sha1 {
 
 #[cfg(test)]
 mod tests {
+    use std::num::Bounded;
     use std::rand::{IsaacRng, Rng};
     use std::vec;
     use extra::hex::FromHex;

src/libstd/num/f32.rs

@@ -17,7 +17,7 @@ use cmath;
 use default::Default;
 use libc::{c_float, c_int};
 use num::{FPCategory, FPNaN, FPInfinite , FPZero, FPSubnormal, FPNormal};
-use num::{Zero, One, strconv};
+use num::{Zero, One, Bounded, strconv};
 use num;
 use to_str;
 use unstable::intrinsics;

src/libstd/num/f64.rs

@@ -18,7 +18,7 @@ use cmath;
 use default::Default;
 use libc::{c_double, c_int};
 use num::{FPCategory, FPNaN, FPInfinite , FPZero, FPSubnormal, FPNormal};
-use num::{Zero, One, strconv};
+use num::{Zero, One, Bounded, strconv};
 use num;
 use to_str;
 use unstable::intrinsics;

src/libstd/num/i16.rs

@@ -15,7 +15,7 @@
 use prelude::*;
 
 use default::Default;
-use num::{BitCount, CheckedAdd, CheckedSub, CheckedMul};
+use num::{Bitwise, Bounded, CheckedAdd, CheckedSub, CheckedMul};
 use num::{CheckedDiv, Zero, One, strconv};
 use num::{ToStrRadix, FromStrRadix};
 use option::{Option, Some, None};
@@ -24,7 +24,7 @@ use unstable::intrinsics;
 
 int_module!(i16, 16)
 
-impl BitCount for i16 {
+impl Bitwise for i16 {
     /// Counts the number of bits set. Wraps LLVM's `ctpop` intrinsic.
     #[inline]
     fn population_count(&self) -> i16 { unsafe { intrinsics::ctpop16(*self) } }

src/libstd/num/i32.rs

@@ -15,7 +15,7 @@
 use prelude::*;
 
 use default::Default;
-use num::{BitCount, CheckedAdd, CheckedSub, CheckedMul};
+use num::{Bitwise, Bounded, CheckedAdd, CheckedSub, CheckedMul};
 use num::{CheckedDiv, Zero, One, strconv};
 use num::{ToStrRadix, FromStrRadix};
 use option::{Option, Some, None};
@@ -24,7 +24,7 @@ use unstable::intrinsics;
 
 int_module!(i32, 32)
 
-impl BitCount for i32 {
+impl Bitwise for i32 {
     /// Counts the number of bits set. Wraps LLVM's `ctpop` intrinsic.
     #[inline]
     fn population_count(&self) -> i32 { unsafe { intrinsics::ctpop32(*self) } }

src/libstd/num/i64.rs

@@ -17,7 +17,7 @@ use prelude::*;
 use default::Default;
 #[cfg(target_word_size = "64")]
 use num::CheckedMul;
-use num::{BitCount, CheckedAdd, CheckedSub};
+use num::{Bitwise, Bounded, CheckedAdd, CheckedSub};
 use num::{CheckedDiv, Zero, One, strconv};
 use num::{ToStrRadix, FromStrRadix};
 use option::{Option, Some, None};
@@ -26,7 +26,7 @@ use unstable::intrinsics;
 
 int_module!(i64, 64)
 
-impl BitCount for i64 {
+impl Bitwise for i64 {
     /// Counts the number of bits set. Wraps LLVM's `ctpop` intrinsic.
     #[inline]
     fn population_count(&self) -> i64 { unsafe { intrinsics::ctpop64(*self) } }