Remove unused imports throughout src/

41 files changed, 13 insertions, 108 deletions

diff --git a/src/libcore/bool.rs b/src/libcore/bool.rs
index 89ffaeff63d..33953e952e8 100644
--- a/src/libcore/bool.rs
+++ b/src/libcore/bool.rs
@@ -11,9 +11,7 @@
 
 //! Boolean logic
 
-use bool;
 use cmp;
-use cmp::Eq;
 use option::{None, Option, Some};
 
 /// Negation / inverse
diff --git a/src/libcore/char.rs b/src/libcore/char.rs
index daff7d116e8..ea12d5fd7ec 100644
--- a/src/libcore/char.rs
+++ b/src/libcore/char.rs
@@ -10,7 +10,6 @@
 
 //! Utilities for manipulating the char type
 
-use char;
 use cmp::Eq;
 use option::{None, Option, Some};
 use str;
diff --git a/src/libcore/dvec.rs b/src/libcore/dvec.rs
index 7197de36404..5ec0dd073c8 100644
--- a/src/libcore/dvec.rs
+++ b/src/libcore/dvec.rs
@@ -20,7 +20,6 @@ Note that recursive use is not permitted.
 */
 
 use cast;
-use cast::reinterpret_cast;
 use prelude::*;
 use ptr::null;
 use vec;
diff --git a/src/libcore/either.rs b/src/libcore/either.rs
index 93b28233acd..e5091cc8c34 100644
--- a/src/libcore/either.rs
+++ b/src/libcore/either.rs
@@ -11,7 +11,6 @@
 //! A type that represents one of two alternatives
 
 use cmp::Eq;
-use cmp;
 use kinds::Copy;
 use result::Result;
 use result;
diff --git a/src/libcore/flate.rs b/src/libcore/flate.rs
index c47e27e75d9..f89aa3411f1 100644
--- a/src/libcore/flate.rs
+++ b/src/libcore/flate.rs
@@ -17,7 +17,6 @@ Simple compression
 use libc;
 use libc::{c_void, size_t, c_int};
 use ptr;
-use rand;
 use vec;
 
 extern mod rustrt {
diff --git a/src/libcore/hash.rs b/src/libcore/hash.rs
index 4a1a1952907..a6048e2b25a 100644
--- a/src/libcore/hash.rs
+++ b/src/libcore/hash.rs
@@ -21,7 +21,6 @@
 
 use io;
 use io::{Writer, WriterUtil};
-use os;
 use to_bytes::IterBytes;
 use uint;
 use vec;
diff --git a/src/libcore/hashmap.rs b/src/libcore/hashmap.rs
index 007e3260aa1..b6ba790c300 100644
--- a/src/libcore/hashmap.rs
+++ b/src/libcore/hashmap.rs
@@ -19,11 +19,8 @@ pub mod linear {
     use iter::BaseIter;
     use hash::Hash;
     use iter;
-    use kinds::Copy;
     use option::{None, Option, Some};
-    use option;
     use rand;
-    use to_bytes::IterBytes;
     use uint;
     use vec;
 
diff --git a/src/libcore/io.rs b/src/libcore/io.rs
index 4f9b8ccf757..824a18b8c01 100644
--- a/src/libcore/io.rs
+++ b/src/libcore/io.rs
@@ -16,14 +16,11 @@ Basic input/output
 
 use result::Result;
 
-use cmp::Eq;
 use dvec::DVec;
 use int;
 use libc;
 use libc::{c_int, c_long, c_uint, c_void, size_t, ssize_t};
 use libc::consts::os::posix88::*;
-use libc::consts::os::extra::*;
-use option;
 use os;
 use prelude::*;
 use ptr;
@@ -715,7 +712,9 @@ pub fn mk_file_writer(path: &Path, flags: &[FileFlag])
     -> Result<Writer, ~str> {
 
     #[cfg(windows)]
-    fn wb() -> c_int { (O_WRONLY | O_BINARY) as c_int }
+    fn wb() -> c_int {
+      (O_WRONLY | libc::consts::os::extra::O_BINARY) as c_int
+    }
 
     #[cfg(unix)]
     fn wb() -> c_int { O_WRONLY as c_int }
diff --git a/src/libcore/iter-trait/dlist.rs b/src/libcore/iter-trait/dlist.rs
index 5f95c00f336..41d509f1402 100644
--- a/src/libcore/iter-trait/dlist.rs
+++ b/src/libcore/iter-trait/dlist.rs
@@ -9,8 +9,6 @@
 // except according to those terms.
 
 mod inst {
-    use cast;
-    use dlist;
     use dlist::DList;
     use managed;
     use option::{Option, Some};
diff --git a/src/libcore/libc.rs b/src/libcore/libc.rs
index c6229d7604c..9f673a14284 100644
--- a/src/libcore/libc.rs
+++ b/src/libcore/libc.rs
@@ -1007,7 +1007,6 @@ pub mod funcs {
 
     pub mod c95 {
         use libc::types::common::c95::{FILE, c_void, fpos_t};
-        use libc::types::common::posix88::dirent_t;
         use libc::types::os::arch::c95::{c_char, c_double, c_int, c_long};
         use libc::types::os::arch::c95::{c_uint, c_ulong, c_void, size_t};
 
diff --git a/src/libcore/managed.rs b/src/libcore/managed.rs
index bed50cfbc25..1f347371dfd 100644
--- a/src/libcore/managed.rs
+++ b/src/libcore/managed.rs
@@ -10,12 +10,9 @@
 
 //! Operations on managed box types
 
-use cast::transmute;
-use cmp::{Eq, Ord};
-use managed::raw::BoxRepr;
-use prelude::*;
 use ptr;
 
+#[cfg(notest)] use cmp::{Eq, Ord};
 
 pub mod raw {
 
diff --git a/src/libcore/num/f64.rs b/src/libcore/num/f64.rs
index 5362a65f7ce..1c9f8286bcb 100644
--- a/src/libcore/num/f64.rs
+++ b/src/libcore/num/f64.rs
@@ -13,7 +13,6 @@
 use cmath;
 use cmp;
 use libc::{c_double, c_int};
-use libc;
 use num::NumCast;
 use num::strconv;
 use num;
diff --git a/src/libcore/num/float.rs b/src/libcore/num/float.rs
index 1b79ec614d4..366f9e5f7b7 100644
--- a/src/libcore/num/float.rs
+++ b/src/libcore/num/float.rs
@@ -20,18 +20,13 @@
 
 // PORT this must match in width according to architecture
 
-use m_float = f64;
-
 use cmp::{Eq, Ord};
-use cmp;
 use f64;
 use num::NumCast;
 use num::strconv;
 use num;
 use ops;
 use option::{None, Option, Some};
-use str;
-use uint;
 use to_str;
 use from_str;
 
diff --git a/src/libcore/num/int-template.rs b/src/libcore/num/int-template.rs
index ef661d2160b..98e3bebd466 100644
--- a/src/libcore/num/int-template.rs
+++ b/src/libcore/num/int-template.rs
@@ -10,21 +10,16 @@
 
 use T = self::inst::T;
 
-use char;
 use cmp::{Eq, Ord};
-use cmp;
 use to_str::ToStr;
 use from_str::FromStr;
 use num::{ToStrRadix, FromStrRadix};
 use num::strconv;
 use num;
 use prelude::*;
-use str;
-use uint;
-use vec;
-use i8;
-use i16;
-use i32;
+
+#[cfg(notest)] use cmp::{Eq, Ord};
+
 pub use cmp::{min, max};
 
 pub const bits : uint = inst::bits;
diff --git a/src/libcore/num/num.rs b/src/libcore/num/num.rs
index 4d97df621da..c141820198f 100644
--- a/src/libcore/num/num.rs
+++ b/src/libcore/num/num.rs
@@ -12,10 +12,7 @@
 use cmp::{Ord, Eq};
 use ops::{Add, Div, Modulo, Mul, Neg, Sub};
 use option::{None, Option, Some};
-use char;
-use str;
 use kinds::Copy;
-use vec;
 
 pub mod strconv;
 
diff --git a/src/libcore/num/uint-template.rs b/src/libcore/num/uint-template.rs
index 8d5726b8679..0811c955078 100644
--- a/src/libcore/num/uint-template.rs
+++ b/src/libcore/num/uint-template.rs
@@ -11,9 +11,7 @@
 use T = self::inst::T;
 use T_SIGNED = self::inst::T_SIGNED;
 
-use char;
 use cmp::{Eq, Ord};
-use cmp;
 use to_str::ToStr;
 use from_str::FromStr;
 use num::{ToStrRadix, FromStrRadix};
@@ -21,12 +19,6 @@ use num::strconv;
 use num;
 use option::{None, Option, Some};
 use prelude::*;
-use str;
-use uint;
-use vec;
-use u8;
-use u16;
-use u32;
 
 pub use cmp::{min, max};
 
@@ -357,7 +349,6 @@ pub fn to_str_radix37() {
     uint::to_str_radix(100u, 37u);
 }
 
-use io;
 #[test]
 pub fn test_ranges() {
     let mut l = ~[];
diff --git a/src/libcore/num/uint-template/uint.rs b/src/libcore/num/uint-template/uint.rs
index 07467575319..0131bff685d 100644
--- a/src/libcore/num/uint-template/uint.rs
+++ b/src/libcore/num/uint-template/uint.rs
@@ -19,7 +19,6 @@ pub use self::inst::{
 
 pub mod inst {
     use sys;
-    use uint;
     use iter;
 
     pub type T = uint;
diff --git a/src/libcore/option.rs b/src/libcore/option.rs
index 53944c4c2c8..55244b81b93 100644
--- a/src/libcore/option.rs
+++ b/src/libcore/option.rs
@@ -43,9 +43,6 @@ let unwrapped_msg = match msg {
 
 use cmp::{Eq,Ord};
 use kinds::Copy;
-use option;
-use ptr;
-use str;
 use util;
 use num::Zero;
 
diff --git a/src/libcore/os.rs b/src/libcore/os.rs
index 6e040286ba4..2341ec33115 100644
--- a/src/libcore/os.rs
+++ b/src/libcore/os.rs
@@ -27,7 +27,6 @@
  */
 
 use cast;
-use either;
 use io;
 use libc;
 use libc::{c_char, c_void, c_int, c_uint, size_t, ssize_t};
@@ -38,7 +37,6 @@ use prelude::*;
 use ptr;
 use str;
 use task;
-use task::TaskBuilder;
 use uint;
 use vec;
 
diff --git a/src/libcore/path.rs b/src/libcore/path.rs
index 8d528a11598..a88c779d808 100644
--- a/src/libcore/path.rs
+++ b/src/libcore/path.rs
@@ -17,7 +17,6 @@ Cross-platform file path handling
 use cmp::Eq;
 use libc;
 use option::{None, Option, Some};
-use ptr;
 use str;
 use to_str::ToStr;
 
@@ -830,7 +829,6 @@ pub pure fn normalize(components: &[~str]) -> ~[~str] {
 pub mod windows {
     use libc;
     use option::{None, Option, Some};
-    use to_str::ToStr;
 
     #[inline(always)]
     pub pure fn is_sep(u: u8) -> bool {
diff --git a/src/libcore/pipes.rs b/src/libcore/pipes.rs
index e4fc9528f23..c16281706d7 100644
--- a/src/libcore/pipes.rs
+++ b/src/libcore/pipes.rs
@@ -90,10 +90,8 @@ use kinds::Owned;
 use libc;
 use option;
 use option::{None, Option, Some, unwrap};
-use pipes;
 use unstable::intrinsics;
 use ptr;
-use unstable;
 use task;
 use vec;
 
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index ecbce18e6da..8996d404dbc 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -15,10 +15,7 @@ use cmp::{Eq, Ord};
 use libc;
 use libc::{c_void, size_t};
 use unstable::intrinsics::{memmove32,memmove64};
-use ptr;
-use str;
 use sys;
-use vec;
 
 #[nolink]
 #[abi = "cdecl"]
diff --git a/src/libcore/repr.rs b/src/libcore/repr.rs
index af135339b2e..dd5a427c4ce 100644
--- a/src/libcore/repr.rs
+++ b/src/libcore/repr.rs
@@ -15,25 +15,19 @@ More runtime type reflection
 */
 
 use cast::transmute;
-use cast;
 use char;
 use dvec::DVec;
 use intrinsic;
 use intrinsic::{TyDesc, TyVisitor, visit_tydesc};
-use io;
 use io::{Writer, WriterUtil};
 use libc::c_void;
 use managed;
-use managed::raw::BoxHeaderRepr;
 use ptr;
 use reflect;
 use reflect::{MovePtr, MovePtrAdaptor, align};
-use repr;
 use str;
 use sys;
-use sys::TypeDesc;
 use to_str::ToStr;
-use uint;
 use vec::UnboxedVecRepr;
 use vec::raw::{VecRepr, SliceRepr};
 use vec;
diff --git a/src/libcore/result.rs b/src/libcore/result.rs
index ddcd1547841..26d91777bd8 100644
--- a/src/libcore/result.rs
+++ b/src/libcore/result.rs
@@ -12,7 +12,6 @@
 
 // NB: transitionary, de-mode-ing.
 
-use cmp;
 use cmp::Eq;
 use either;
 use either::Either;
diff --git a/src/libcore/run.rs b/src/libcore/run.rs
index e8cd9caaef6..99a0405cbf8 100644
--- a/src/libcore/run.rs
+++ b/src/libcore/run.rs
@@ -11,7 +11,6 @@
 //! Process spawning
 use cast;
 use io;
-use io::ReaderUtil;
 use libc;
 use libc::{pid_t, c_void, c_int};
 use comm::{stream, SharedChan, GenericChan, GenericPort};
diff --git a/src/libcore/stackwalk.rs b/src/libcore/stackwalk.rs
index 8950a1d0c02..c2b62ad5dee 100644
--- a/src/libcore/stackwalk.rs
+++ b/src/libcore/stackwalk.rs
@@ -11,8 +11,6 @@
 #[doc(hidden)]; // FIXME #3538
 
 use cast::reinterpret_cast;
-use ptr::offset;
-use sys::size_of;
 
 pub type Word = uint;
 
diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index f1e23f01e7b..dfe58365850 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -22,12 +22,9 @@ use cast;
 use char;
 use cmp::{Eq, Ord, TotalOrd, Ordering, Less, Equal, Greater};
 use libc;
-use libc::size_t;
-use io::WriterUtil;
 use option::{None, Option, Some};
 use ptr;
 use str;
-use to_str::ToStr;
 use u8;
 use uint;
 use vec;
diff --git a/src/libcore/sys.rs b/src/libcore/sys.rs
index ec3ab25a27d..da2f68166ce 100644
--- a/src/libcore/sys.rs
+++ b/src/libcore/sys.rs
@@ -16,10 +16,8 @@ use gc;
 use io;
 use libc;
 use libc::{c_void, c_char, size_t};
-use ptr;
 use repr;
 use str;
-use vec;
 
 pub type FreeGlue = fn(*TypeDesc, *c_void);
 
diff --git a/src/libcore/task/local_data.rs b/src/libcore/task/local_data.rs
index 185d8caae01..d9fdd51fdce 100644
--- a/src/libcore/task/local_data.rs
+++ b/src/libcore/task/local_data.rs
@@ -29,7 +29,6 @@ magic.
 use prelude::*;
 use task::local_data_priv::{local_get, local_pop, local_modify, local_set};
 use task::rt;
-use task;
 
 /**
  * Indexes a task-local data slot. The function's code pointer is used for
diff --git a/src/libcore/task/mod.rs b/src/libcore/task/mod.rs
index 0835d4400ed..ff3c8386f0b 100644
--- a/src/libcore/task/mod.rs
+++ b/src/libcore/task/mod.rs
@@ -33,22 +33,14 @@
  * ~~~
  */
 
-use cast;
 use cell::Cell;
-use cmp;
 use cmp::Eq;
-use iter;
-use libc;
 use option;
 use result::Result;
 use comm::{stream, Chan, GenericChan, GenericPort, Port, SharedChan};
-use pipes;
 use prelude::*;
-use ptr;
 use result;
-use task::local_data_priv::{local_get, local_set};
 use task::rt::{task_id, sched_id, rust_task};
-use task;
 use util;
 use util::replace;
 
diff --git a/src/libcore/task/spawn.rs b/src/libcore/task/spawn.rs
index 152e602eeee..74384ee3d93 100644
--- a/src/libcore/task/spawn.rs
+++ b/src/libcore/task/spawn.rs
@@ -77,14 +77,12 @@ use cell::Cell;
 use container::Map;
 use option;
 use comm::{Chan, GenericChan, GenericPort, Port, stream};
-use pipes;
 use prelude::*;
 use unstable;
 use ptr;
 use hashmap::linear::LinearSet;
 use task::local_data_priv::{local_get, local_set};
 use task::rt::rust_task;
-use task::rt::rust_closure;
 use task::rt;
 use task::{Failure, ManualThreads, PlatformThread, SchedOpts, SingleThreaded};
 use task::{Success, TaskOpts, TaskResult, ThreadPerCore, ThreadPerTask};
diff --git a/src/libcore/to_str.rs b/src/libcore/to_str.rs
index 916c188a9c3..dec6cbeb201 100644
--- a/src/libcore/to_str.rs
+++ b/src/libcore/to_str.rs
@@ -14,9 +14,7 @@ The `ToStr` trait for converting to strings
 
 */
 
-use kinds::Copy;
 use str;
-use vec;
 
 pub trait ToStr {
     pure fn to_str(&self) -> ~str;
diff --git a/src/libcore/unstable.rs b/src/libcore/unstable.rs
index 8c0c029a90f..a70a2144c73 100644
--- a/src/libcore/unstable.rs
+++ b/src/libcore/unstable.rs
@@ -11,16 +11,12 @@
 #[doc(hidden)];
 
 use cast;
-use iter;
 use libc;
 use option;
 use comm::{GenericChan, GenericPort};
 use prelude::*;
-use ptr;
-use result;
 use task;
 use task::{TaskBuilder, atomically};
-use uint;
 
 #[path = "unstable/at_exit.rs"]
 pub mod at_exit;
diff --git a/src/libcore/unstable/at_exit.rs b/src/libcore/unstable/at_exit.rs
index 4785cb622cb..cb3d6fddc22 100644
--- a/src/libcore/unstable/at_exit.rs
+++ b/src/libcore/unstable/at_exit.rs
@@ -10,9 +10,7 @@
 
 use sys;
 use cast;
-use ptr;
 use task;
-use uint;
 use vec;
 use rand;
 use libc::{c_void, size_t};
diff --git a/src/libcore/unstable/extfmt.rs b/src/libcore/unstable/extfmt.rs
index 616d37a133a..9b2a205b673 100644
--- a/src/libcore/unstable/extfmt.rs
+++ b/src/libcore/unstable/extfmt.rs
@@ -77,9 +77,7 @@ debug!("hello, %s!", "world");
 */
 
 use cmp::Eq;
-use option::{Some, None};
 use prelude::*;
-use str;
 
 /*
  * We have a 'ct' (compile-time) module that parses format strings into a
@@ -98,7 +96,6 @@ pub mod ct {
     use char;
     use prelude::*;
     use str;
-    use vec;
 
     #[deriving_eq]
     pub enum Signedness { Signed, Unsigned, }
diff --git a/src/libcore/unstable/finally.rs b/src/libcore/unstable/finally.rs
index c995d914a7a..dc6aae6c5cc 100644
--- a/src/libcore/unstable/finally.rs
+++ b/src/libcore/unstable/finally.rs
@@ -24,7 +24,6 @@ do || {
 */
 
 use ops::Drop;
-use task::{spawn, failing};
 
 pub trait Finally<T> {
     fn finally(&self, dtor: &fn()) -> T;
diff --git a/src/libcore/unstable/global.rs b/src/libcore/unstable/global.rs
index aa28310f7ba..1187dafdabb 100644
--- a/src/libcore/unstable/global.rs
+++ b/src/libcore/unstable/global.rs
@@ -31,16 +31,14 @@ use kinds::Owned;
 use libc::{c_void, uintptr_t};
 use option::{Option, Some, None};
 use ops::Drop;
-use pipes;
 use unstable::{Exclusive, exclusive};
-use unstable::{SharedMutableState, shared_mutable_state};
-use unstable::{get_shared_immutable_state};
 use unstable::at_exit::at_exit;
 use unstable::intrinsics::atomic_cxchg;
 use hashmap::linear::LinearMap;
 use sys::Closure;
-use task::spawn;
-use uint;
+
+#[cfg(test)]
+use private::{SharedMutableState, shared_mutable_state};
 
 pub type GlobalDataKey<T> = &fn(v: T);
 
diff --git a/src/libcore/unstable/lang.rs b/src/libcore/unstable/lang.rs
index e74052995e6..48462eabc38 100644
--- a/src/libcore/unstable/lang.rs
+++ b/src/libcore/unstable/lang.rs
@@ -18,7 +18,8 @@ use sys;
 use unstable::exchange_alloc;
 use cast::transmute;
 
-use gc::{cleanup_stack_for_failure, gc, Word};
+#[allow(non_camel_case_types)]
+pub type rust_task = c_void;
 
 #[cfg(target_word_size = "32")]
 pub const FROZEN_BIT: uint = 0x80000000;
diff --git a/src/libcore/unstable/weak_task.rs b/src/libcore/unstable/weak_task.rs
index bff5e9750ec..7f420123465 100644
--- a/src/libcore/unstable/weak_task.rs
+++ b/src/libcore/unstable/weak_task.rs
@@ -22,7 +22,6 @@ use cell::Cell;
 use comm::{GenericSmartChan, stream};
 use comm::{Port, Chan, SharedChan, GenericChan, GenericPort};
 use hashmap::linear::LinearMap;
-use ops::Drop;
 use option::{Some, None, swap_unwrap};
 use unstable::at_exit::at_exit;
 use unstable::finally::Finally;
diff --git a/src/libcore/util.rs b/src/libcore/util.rs
index 522cb2d2783..48be6178ed2 100644
--- a/src/libcore/util.rs
+++ b/src/libcore/util.rs
@@ -14,7 +14,6 @@ Miscellaneous helpers for common patterns.
 
 */
 
-use cmp::Eq;
 use prelude::*;
 
 /// The identity function.
@@ -102,8 +101,8 @@ pub fn unreachable() -> ! {
     fail!(~"internal error: entered unreachable code");
 }
 
+#[cfg(test)]
 mod tests {
-    use option::{None, Some};
     use util::{NonCopyable, id, replace, swap};
 
     #[test]
diff --git a/src/libcore/vec.rs b/src/libcore/vec.rs
index 925d78a3b81..f7676bd211e 100644
--- a/src/libcore/vec.rs
+++ b/src/libcore/vec.rs
@@ -13,7 +13,6 @@
 #[warn(non_camel_case_types)];
 
 use container::{Container, Mutable};
-use cast::transmute;
 use cast;
 use cmp::{Eq, Ord, TotalOrd, Ordering, Less, Equal, Greater};
 use iter::BaseIter;