Use `#[prelude_import]` in `libcore`.

11 files changed, 2 insertions, 24 deletions

diff --git a/src/libcore/num/bignum.rs b/src/libcore/num/bignum.rs
index a881b539ced..bc503ba3e46 100644
--- a/src/libcore/num/bignum.rs
+++ b/src/libcore/num/bignum.rs
@@ -27,8 +27,6 @@
             issue = "0")]
 #![macro_use]
 
-use prelude::v1::*;
-
 use mem;
 use intrinsics;
 
@@ -494,6 +492,5 @@ define_bignum!(Big32x40: type=Digit32, n=40);
 // this one is used for testing only.
 #[doc(hidden)]
 pub mod tests {
-    use prelude::v1::*;
     define_bignum!(Big8x3: type=u8, n=3);
 }
diff --git a/src/libcore/num/dec2flt/algorithm.rs b/src/libcore/num/dec2flt/algorithm.rs
index 4761727cec0..604bc7c10de 100644
--- a/src/libcore/num/dec2flt/algorithm.rs
+++ b/src/libcore/num/dec2flt/algorithm.rs
@@ -10,7 +10,6 @@
 
 //! The various algorithms from the paper.
 
-use prelude::v1::*;
 use cmp::min;
 use cmp::Ordering::{Less, Equal, Greater};
 use num::diy_float::Fp;
@@ -47,7 +46,6 @@ mod fpu_precision {
 #[cfg(all(target_arch="x86", not(target_feature="sse2")))]
 mod fpu_precision {
     use mem::size_of;
-    use ops::Drop;
 
     /// A structure used to preserve the original value of the FPU control word, so that it can be
     /// restored when the structure is dropped.
diff --git a/src/libcore/num/dec2flt/mod.rs b/src/libcore/num/dec2flt/mod.rs
index ff2d85307b1..cd40e399ab9 100644
--- a/src/libcore/num/dec2flt/mod.rs
+++ b/src/libcore/num/dec2flt/mod.rs
@@ -92,7 +92,6 @@
             reason = "internal routines only exposed for testing",
             issue = "0")]
 
-use prelude::v1::*;
 use fmt;
 use str::FromStr;
 
diff --git a/src/libcore/num/dec2flt/num.rs b/src/libcore/num/dec2flt/num.rs
index 81e7856633b..34b41fa9dec 100644
--- a/src/libcore/num/dec2flt/num.rs
+++ b/src/libcore/num/dec2flt/num.rs
@@ -12,7 +12,6 @@
 
 // FIXME This module's name is a bit unfortunate, since other modules also import `core::num`.
 
-use prelude::v1::*;
 use cmp::Ordering::{self, Less, Equal, Greater};
 
 pub use num::bignum::Big32x40 as Big;
diff --git a/src/libcore/num/dec2flt/parse.rs b/src/libcore/num/dec2flt/parse.rs
index fce1c250a02..d20986faa0f 100644
--- a/src/libcore/num/dec2flt/parse.rs
+++ b/src/libcore/num/dec2flt/parse.rs
@@ -20,7 +20,6 @@
 //! modules rely on to not panic (or overflow) in turn.
 //! To make matters worse, all that happens in a single pass over the input.
 //! So, be careful when modifying anything, and double-check with the other modules.
-use prelude::v1::*;
 use super::num;
 use self::ParseResult::{Valid, ShortcutToInf, ShortcutToZero, Invalid};
 
diff --git a/src/libcore/num/dec2flt/rawfp.rs b/src/libcore/num/dec2flt/rawfp.rs
index 68e4dc4b359..e3b58b6cc7c 100644
--- a/src/libcore/num/dec2flt/rawfp.rs
+++ b/src/libcore/num/dec2flt/rawfp.rs
@@ -27,7 +27,6 @@
 //! Many functions in this module only handle normal numbers. The dec2flt routines conservatively
 //! take the universally-correct slow path (Algorithm M) for very small and very large numbers.
 //! That algorithm needs only next_float() which does handle subnormals and zeros.
-use prelude::v1::*;
 use u32;
 use cmp::Ordering::{Less, Equal, Greater};
 use ops::{Mul, Div, Neg};
diff --git a/src/libcore/num/flt2dec/decoder.rs b/src/libcore/num/flt2dec/decoder.rs
index 5420e7bdd2a..276667e44aa 100644
--- a/src/libcore/num/flt2dec/decoder.rs
+++ b/src/libcore/num/flt2dec/decoder.rs
@@ -10,8 +10,6 @@
 
 //! Decodes a floating-point value into individual parts and error ranges.
 
-use prelude::v1::*;
-
 use {f32, f64};
 use num::FpCategory;
 use num::dec2flt::rawfp::RawFloat;
diff --git a/src/libcore/num/flt2dec/mod.rs b/src/libcore/num/flt2dec/mod.rs
index b549f334242..f6c03a59f81 100644
--- a/src/libcore/num/flt2dec/mod.rs
+++ b/src/libcore/num/flt2dec/mod.rs
@@ -130,7 +130,6 @@ functions.
             reason = "internal routines only exposed for testing",
             issue = "0")]
 
-use prelude::v1::*;
 use i16;
 pub use self::decoder::{decode, DecodableFloat, FullDecoded, Decoded};
 
diff --git a/src/libcore/num/flt2dec/strategy/dragon.rs b/src/libcore/num/flt2dec/strategy/dragon.rs
index 2d68c3a6d02..6aa4f297e75 100644
--- a/src/libcore/num/flt2dec/strategy/dragon.rs
+++ b/src/libcore/num/flt2dec/strategy/dragon.rs
@@ -15,8 +15,6 @@ Almost direct (but slightly optimized) Rust translation of Figure 3 of [1].
     quickly and accurately. SIGPLAN Not. 31, 5 (May. 1996), 108-116.
 */
 
-use prelude::v1::*;
-
 use cmp::Ordering;
 
 use num::flt2dec::{Decoded, MAX_SIG_DIGITS, round_up};
diff --git a/src/libcore/num/flt2dec/strategy/grisu.rs b/src/libcore/num/flt2dec/strategy/grisu.rs
index 13e01d9a7f7..cf70a1978f5 100644
--- a/src/libcore/num/flt2dec/strategy/grisu.rs
+++ b/src/libcore/num/flt2dec/strategy/grisu.rs
@@ -16,8 +16,6 @@ Rust adaptation of Grisu3 algorithm described in [1]. It uses about
     accurately with integers. SIGPLAN Not. 45, 6 (June 2010), 233-243.
 */
 
-use prelude::v1::*;
-
 use num::diy_float::Fp;
 use num::flt2dec::{Decoded, MAX_SIG_DIGITS, round_up};
 
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 4636811aa46..29ee29eb3eb 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -12,17 +12,11 @@
 
 #![stable(feature = "rust1", since = "1.0.0")]
 
-use char::CharExt;
-use cmp::PartialOrd;
-use convert::{From, TryFrom};
+use convert::TryFrom;
 use fmt;
 use intrinsics;
-use marker::{Copy, Sized};
 use mem::size_of;
-use option::Option::{self, Some, None};
-use result::Result::{self, Ok, Err};
-use str::{FromStr, StrExt};
-use slice::SliceExt;
+use str::FromStr;
 
 /// Provides intentionally-wrapped arithmetic on `T`.
 ///