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-rw-r--r--src/libcore/at_vec.rs20
-rw-r--r--src/libcore/comm.rs20
-rw-r--r--src/libcore/core.rc27
-rw-r--r--src/libcore/core.rs22
-rw-r--r--src/libcore/dlist.rs104
-rw-r--r--src/libcore/dvec.rs31
-rw-r--r--src/libcore/either.rs70
-rw-r--r--src/libcore/future.rs14
-rw-r--r--src/libcore/int-template.rs8
-rw-r--r--src/libcore/io.rs4
-rw-r--r--src/libcore/iter-trait.rs6
-rw-r--r--src/libcore/iter-trait/dlist.rs3
-rw-r--r--src/libcore/iter-trait/dvec.rs3
-rw-r--r--src/libcore/iter.rs36
-rw-r--r--src/libcore/os.rs8
-rw-r--r--src/libcore/pipes.rs32
-rw-r--r--src/libcore/ptr.rs6
-rw-r--r--src/libcore/result.rs8
-rw-r--r--src/libcore/send_map.rs84
-rw-r--r--src/libcore/str.rs14
-rw-r--r--src/libcore/task.rs4
-rw-r--r--src/libcore/uint-template.rs6
-rw-r--r--src/libcore/vec.rs62
23 files changed, 311 insertions, 281 deletions
diff --git a/src/libcore/at_vec.rs b/src/libcore/at_vec.rs
index 060015c26cf..59ed352e1ee 100644
--- a/src/libcore/at_vec.rs
+++ b/src/libcore/at_vec.rs
@@ -15,7 +15,7 @@ export unsafe;
 #[abi = "cdecl"]
 extern mod rustrt {
     fn vec_reserve_shared_actual(++t: *sys::TypeDesc,
-                                 ++v: **vec::unsafe::vec_repr,
+                                 ++v: **vec::unsafe::VecRepr,
                                  ++n: libc::size_t);
 }
 
@@ -25,13 +25,13 @@ extern mod rusti {
 }
 
 /// A function used to initialize the elements of a vector
-type init_op<T> = fn(uint) -> T;
+type InitOp<T> = fn(uint) -> T;
 
 /// Returns the number of elements the vector can hold without reallocating
 #[inline(always)]
 pure fn capacity<T>(&&v: @[const T]) -> uint {
     unsafe {
-        let repr: **unsafe::vec_repr =
+        let repr: **unsafe::VecRepr =
             ::unsafe::reinterpret_cast(addr_of(v));
         (**repr).alloc / sys::size_of::<T>()
     }
@@ -103,7 +103,7 @@ pure fn map<T, U>(v: &[T], f: fn(T) -> U) -> @[U] {
  * Creates an immutable vector of size `n_elts` and initializes the elements
  * to the value returned by the function `op`.
  */
-pure fn from_fn<T>(n_elts: uint, op: init_op<T>) -> @[T] {
+pure fn from_fn<T>(n_elts: uint, op: InitOp<T>) -> @[T] {
     do build_sized(n_elts) |push| {
         let mut i: uint = 0u;
         while i < n_elts { push(op(i)); i += 1u; }
@@ -133,8 +133,8 @@ impl<T: copy> @[T]: add<&[const T],@[T]> {
 
 
 mod unsafe {
-    type vec_repr = vec::unsafe::vec_repr;
-    type slice_repr = vec::unsafe::slice_repr;
+    type VecRepr = vec::unsafe::VecRepr;
+    type SliceRepr = vec::unsafe::SliceRepr;
 
     /**
      * Sets the length of a vector
@@ -145,13 +145,13 @@ mod unsafe {
      */
     #[inline(always)]
     unsafe fn set_len<T>(&&v: @[const T], new_len: uint) {
-        let repr: **vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         (**repr).fill = new_len * sys::size_of::<T>();
     }
 
     #[inline(always)]
     unsafe fn push<T>(&v: @[const T], +initval: T) {
-        let repr: **vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         let fill = (**repr).fill;
         if (**repr).alloc > fill {
             push_fast(v, initval);
@@ -163,7 +163,7 @@ mod unsafe {
     // This doesn't bother to make sure we have space.
     #[inline(always)] // really pretty please
     unsafe fn push_fast<T>(&v: @[const T], +initval: T) {
-        let repr: **vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         let fill = (**repr).fill;
         (**repr).fill += sys::size_of::<T>();
         let p = ptr::addr_of((**repr).data);
@@ -190,7 +190,7 @@ mod unsafe {
     unsafe fn reserve<T>(&v: @[const T], n: uint) {
         // Only make the (slow) call into the runtime if we have to
         if capacity(v) < n {
-            let ptr = addr_of(v) as **vec_repr;
+            let ptr = addr_of(v) as **VecRepr;
             rustrt::vec_reserve_shared_actual(sys::get_type_desc::<T>(),
                                               ptr, n as libc::size_t);
         }
diff --git a/src/libcore/comm.rs b/src/libcore/comm.rs
index b4cf0ef1002..eb19a12c254 100644
--- a/src/libcore/comm.rs
+++ b/src/libcore/comm.rs
@@ -27,7 +27,7 @@
  * ~~~
  */
 
-import either::either;
+import either::Either;
 import libc::size_t;
 
 export port;
@@ -222,7 +222,7 @@ fn peek_(p: *rust_port) -> bool {
 
 /// Receive on one of two ports
 fn select2<A: send, B: send>(p_a: port<A>, p_b: port<B>)
-    -> either<A, B> {
+    -> Either<A, B> {
     let ports = ~[(**p_a).po, (**p_b).po];
     let yield = 0u, yieldp = ptr::addr_of(yield);
 
@@ -246,9 +246,9 @@ fn select2<A: send, B: send>(p_a: port<A>, p_b: port<B>)
     assert resport != ptr::null();
 
     if resport == (**p_a).po {
-        either::left(recv(p_a))
+        either::Left(recv(p_a))
     } else if resport == (**p_b).po {
-        either::right(recv(p_b))
+        either::Right(recv(p_b))
     } else {
         fail ~"unexpected result from rust_port_select";
     }
@@ -355,11 +355,11 @@ fn test_select2_available() {
 
     send(ch_a, ~"a");
 
-    assert select2(po_a, po_b) == either::left(~"a");
+    assert select2(po_a, po_b) == either::Left(~"a");
 
     send(ch_b, ~"b");
 
-    assert select2(po_a, po_b) == either::right(~"b");
+    assert select2(po_a, po_b) == either::Right(~"b");
 }
 
 #[test]
@@ -375,14 +375,14 @@ fn test_select2_rendezvous() {
             send(ch_a, ~"a");
         };
 
-        assert select2(po_a, po_b) == either::left(~"a");
+        assert select2(po_a, po_b) == either::Left(~"a");
 
         do task::spawn {
             for iter::repeat(10u) { task::yield() }
             send(ch_b, ~"b");
         };
 
-        assert select2(po_a, po_b) == either::right(~"b");
+        assert select2(po_a, po_b) == either::Right(~"b");
     }
 }
 
@@ -413,8 +413,8 @@ fn test_select2_stress() {
     let mut bs = 0;
     for iter::repeat(msgs * times * 2u) {
         match select2(po_a, po_b) {
-          either::left(~"a") => as += 1,
-          either::right(~"b") => bs += 1,
+          either::Left(~"a") => as += 1,
+          either::Right(~"b") => bs += 1,
           _ => fail ~"test_select_2_stress failed"
         }
     }
diff --git a/src/libcore/core.rc b/src/libcore/core.rc
index f5c9039ad25..3c54e077cc3 100644
--- a/src/libcore/core.rc
+++ b/src/libcore/core.rc
@@ -68,6 +68,7 @@ export priv;
 // Built-in-type support modules
 
 /// Operations and constants for `int`
+#[warn(non_camel_case_types)]
 #[path = "int-template"]
 mod int {
     import inst::{ hash, pow };
@@ -77,6 +78,7 @@ mod int {
 }
 
 /// Operations and constants for `i8`
+#[warn(non_camel_case_types)]
 #[path = "int-template"]
 mod i8 {
     #[path = "i8.rs"]
@@ -84,6 +86,7 @@ mod i8 {
 }
 
 /// Operations and constants for `i16`
+#[warn(non_camel_case_types)]
 #[path = "int-template"]
 mod i16 {
     #[path = "i16.rs"]
@@ -91,6 +94,7 @@ mod i16 {
 }
 
 /// Operations and constants for `i32`
+#[warn(non_camel_case_types)]
 #[path = "int-template"]
 mod i32 {
     #[path = "i32.rs"]
@@ -98,6 +102,7 @@ mod i32 {
 }
 
 /// Operations and constants for `i64`
+#[warn(non_camel_case_types)]
 #[path = "int-template"]
 mod i64 {
     #[path = "i64.rs"]
@@ -105,6 +110,7 @@ mod i64 {
 }
 
 /// Operations and constants for `uint`
+#[warn(non_camel_case_types)]
 #[path = "uint-template"]
 mod uint {
     import inst::{
@@ -119,6 +125,7 @@ mod uint {
 }
 
 /// Operations and constants for `u8`
+#[warn(non_camel_case_types)]
 #[path = "uint-template"]
 mod u8 {
     import inst::is_ascii;
@@ -129,6 +136,7 @@ mod u8 {
 }
 
 /// Operations and constants for `u16`
+#[warn(non_camel_case_types)]
 #[path = "uint-template"]
 mod u16 {
     #[path = "u16.rs"]
@@ -136,6 +144,7 @@ mod u16 {
 }
 
 /// Operations and constants for `u32`
+#[warn(non_camel_case_types)]
 #[path = "uint-template"]
 mod u32 {
     #[path = "u32.rs"]
@@ -143,6 +152,7 @@ mod u32 {
 }
 
 /// Operations and constants for `u64`
+#[warn(non_camel_case_types)]
 #[path = "uint-template"]
 mod u64 {
     #[path = "u64.rs"]
@@ -150,15 +160,25 @@ mod u64 {
 }
 
 
+#[warn(non_camel_case_types)]
 mod box;
+#[warn(non_camel_case_types)]
 mod char;
+#[warn(non_camel_case_types)]
 mod float;
+#[warn(non_camel_case_types)]
 mod f32;
+#[warn(non_camel_case_types)]
 mod f64;
+#[warn(non_camel_case_types)]
 mod str;
+#[warn(non_camel_case_types)]
 mod ptr;
+#[warn(non_camel_case_types)]
 mod vec;
+#[warn(non_camel_case_types)]
 mod at_vec;
+#[warn(non_camel_case_types)]
 mod bool;
 #[warn(non_camel_case_types)]
 mod tuple;
@@ -173,7 +193,9 @@ mod cmp;
 mod num;
 #[warn(non_camel_case_types)]
 mod hash;
+#[warn(non_camel_case_types)]
 mod either;
+#[warn(non_camel_case_types)]
 mod iter;
 #[warn(non_camel_case_types)]
 mod logging;
@@ -193,18 +215,23 @@ mod util;
 
 // Data structure modules
 
+#[warn(non_camel_case_types)]
 mod dvec;
 #[path="iter-trait"]
+#[warn(non_camel_case_types)]
 mod dvec_iter {
     #[path = "dvec.rs"]
     mod inst;
 }
+#[warn(non_camel_case_types)]
 mod dlist;
 #[path="iter-trait"]
+#[warn(non_camel_case_types)]
 mod dlist_iter {
     #[path ="dlist.rs"]
     mod inst;
 }
+#[warn(non_camel_case_types)]
 mod send_map;
 
 // Concurrency
diff --git a/src/libcore/core.rs b/src/libcore/core.rs
index f6a721d102a..1fb831b46fa 100644
--- a/src/libcore/core.rs
+++ b/src/libcore/core.rs
@@ -6,25 +6,25 @@ import option::{some, none};
 import option = option::option;
 import Path = path::Path;
 import tuple::{TupleOps, ExtendedTupleOps};
-import str::{str_slice, unique_str};
-import vec::{const_vector, copyable_vector, immutable_vector};
-import vec::{immutable_copyable_vector, iter_trait_extensions};
-import iter::{base_iter, extended_iter, copyable_iter, times, timesi};
+import str::{StrSlice, UniqueStr};
+import vec::{ConstVector, CopyableVector, ImmutableVector};
+import vec::{ImmutableCopyableVector, IterTraitExtensions};
+import iter::{BaseIter, ExtendedIter, CopyableIter, Times, TimesIx};
 import num::Num;
-import ptr::ptr;
+import ptr::Ptr;
 import to_str::ToStr;
 
 export Path, option, some, none, unreachable;
 export extensions;
 // The following exports are the extension impls for numeric types
-export Num, times, timesi;
+export Num, Times, TimesIx;
 // The following exports are the common traits
-export str_slice, unique_str;
-export const_vector, copyable_vector, immutable_vector;
-export immutable_copyable_vector, iter_trait_extensions;
-export base_iter, copyable_iter, extended_iter;
+export StrSlice, UniqueStr;
+export ConstVector, CopyableVector, ImmutableVector;
+export ImmutableCopyableVector, IterTraitExtensions;
+export BaseIter, CopyableIter, ExtendedIter;
 export TupleOps, ExtendedTupleOps;
-export ptr;
+export Ptr;
 export ToStr;
 
 // The following exports are the core operators and kinds
diff --git a/src/libcore/dlist.rs b/src/libcore/dlist.rs
index b3f56109ee4..f835344f2d1 100644
--- a/src/libcore/dlist.rs
+++ b/src/libcore/dlist.rs
@@ -8,25 +8,25 @@
  * Do not use ==, !=, <, etc on doubly-linked lists -- it may not terminate.
  */
 
-export dlist, dlist_node;
+export DList, dlist, dlist_node;
 export new_dlist, from_elem, from_vec, extensions;
 
-type dlist_link<T> = option<dlist_node<T>>;
+type DListLink<T> = option<DListNode<T>>;
 
-enum dlist_node<T> = @{
+enum DListNode<T> = @{
     data: T,
     mut linked: bool, // for assertions
-    mut prev: dlist_link<T>,
-    mut next: dlist_link<T>
+    mut prev: DListLink<T>,
+    mut next: DListLink<T>
 };
 
-enum dlist<T> = @{
+enum DList<T> = @{
     mut size: uint,
-    mut hd:   dlist_link<T>,
-    mut tl:   dlist_link<T>,
+    mut hd:   DListLink<T>,
+    mut tl:   DListLink<T>,
 };
 
-priv impl<T> dlist_node<T> {
+priv impl<T> DListNode<T> {
     pure fn assert_links() {
         match self.next {
             some(neighbour) => match neighbour.prev {
@@ -49,26 +49,26 @@ priv impl<T> dlist_node<T> {
     }
 }
 
-impl<T> dlist_node<T> {
+impl<T> DListNode<T> {
     /// Get the next node in the list, if there is one.
-    pure fn next_link() -> option<dlist_node<T>> {
+    pure fn next_link() -> option<DListNode<T>> {
         self.assert_links();
         self.next
     }
     /// Get the next node in the list, failing if there isn't one.
-    pure fn next_node() -> dlist_node<T> {
+    pure fn next_node() -> DListNode<T> {
         match self.next_link() {
             some(nobe) => nobe,
             none       => fail ~"This dlist node has no next neighbour."
         }
     }
     /// Get the previous node in the list, if there is one.
-    pure fn prev_link() -> option<dlist_node<T>> {
+    pure fn prev_link() -> option<DListNode<T>> {
         self.assert_links();
         self.prev
     }
     /// Get the previous node in the list, failing if there isn't one.
-    pure fn prev_node() -> dlist_node<T> {
+    pure fn prev_node() -> DListNode<T> {
         match self.prev_link() {
             some(nobe) => nobe,
             none       => fail ~"This dlist node has no previous neighbour."
@@ -77,24 +77,24 @@ impl<T> dlist_node<T> {
 }
 
 /// Creates a new dlist node with the given data.
-pure fn new_dlist_node<T>(+data: T) -> dlist_node<T> {
-    dlist_node(@{data: data, mut linked: false,
+pure fn new_dlist_node<T>(+data: T) -> DListNode<T> {
+    DListNode(@{data: data, mut linked: false,
                  mut prev: none, mut next: none})
 }
 
 /// Creates a new, empty dlist.
-pure fn new_dlist<T>() -> dlist<T> {
-    dlist(@{mut size: 0, mut hd: none, mut tl: none})
+pure fn new_dlist<T>() -> DList<T> {
+    DList(@{mut size: 0, mut hd: none, mut tl: none})
 }
 
 /// Creates a new dlist with a single element
-pure fn from_elem<T>(+data: T) -> dlist<T> {
+pure fn from_elem<T>(+data: T) -> DList<T> {
     let list = new_dlist();
     unchecked { list.push(data); }
     list
 }
 
-fn from_vec<T: copy>(+vec: &[T]) -> dlist<T> {
+fn from_vec<T: copy>(+vec: &[T]) -> DList<T> {
     do vec::foldl(new_dlist(), vec) |list,data| {
         list.push(data); // Iterating left-to-right -- add newly to the tail.
         list
@@ -103,7 +103,7 @@ fn from_vec<T: copy>(+vec: &[T]) -> dlist<T> {
 
 /// Produce a list from a list of lists, leaving no elements behind in the
 /// input. O(number of sub-lists).
-fn concat<T>(lists: dlist<dlist<T>>) -> dlist<T> {
+fn concat<T>(lists: DList<DList<T>>) -> DList<T> {
     let result = new_dlist();
     while !lists.is_empty() {
         result.append(lists.pop().get());
@@ -111,12 +111,12 @@ fn concat<T>(lists: dlist<dlist<T>>) -> dlist<T> {
     result
 }
 
-priv impl<T> dlist<T> {
-    pure fn new_link(-data: T) -> dlist_link<T> {
-        some(dlist_node(@{data: data, mut linked: true,
+priv impl<T> DList<T> {
+    pure fn new_link(-data: T) -> DListLink<T> {
+        some(DListNode(@{data: data, mut linked: true,
                           mut prev: none, mut next: none}))
     }
-    pure fn assert_mine(nobe: dlist_node<T>) {
+    pure fn assert_mine(nobe: DListNode<T>) {
         // These asserts could be stronger if we had node-root back-pointers,
         // but those wouldn't allow for O(1) append.
         if self.size == 0 {
@@ -130,7 +130,7 @@ priv impl<T> dlist<T> {
             fail ~"That node isn't on this dlist."
         }
     }
-    fn make_mine(nobe: dlist_node<T>) {
+    fn make_mine(nobe: DListNode<T>) {
         if nobe.prev.is_some() || nobe.next.is_some() || nobe.linked {
             fail ~"Cannot insert node that's already on a dlist!"
         }
@@ -139,7 +139,7 @@ priv impl<T> dlist<T> {
     // Link two nodes together. If either of them are 'none', also sets
     // the head and/or tail pointers appropriately.
     #[inline(always)]
-    fn link(+before: dlist_link<T>, +after: dlist_link<T>) {
+    fn link(+before: DListLink<T>, +after: DListLink<T>) {
         match before {
             some(neighbour) => neighbour.next = after,
             none            => self.hd        = after
@@ -150,7 +150,7 @@ priv impl<T> dlist<T> {
         }
     }
     // Remove a node from the list.
-    fn unlink(nobe: dlist_node<T>) {
+    fn unlink(nobe: DListNode<T>) {
         self.assert_mine(nobe);
         assert self.size > 0;
         self.link(nobe.prev, nobe.next);
@@ -160,24 +160,24 @@ priv impl<T> dlist<T> {
         self.size -= 1;
     }
 
-    fn add_head(+nobe: dlist_link<T>) {
+    fn add_head(+nobe: DListLink<T>) {
         self.link(nobe, self.hd); // Might set tail too.
         self.hd = nobe;
         self.size += 1;
     }
-    fn add_tail(+nobe: dlist_link<T>) {
+    fn add_tail(+nobe: DListLink<T>) {
         self.link(self.tl, nobe); // Might set head too.
         self.tl = nobe;
         self.size += 1;
     }
-    fn insert_left(nobe: dlist_link<T>, neighbour: dlist_node<T>) {
+    fn insert_left(nobe: DListLink<T>, neighbour: DListNode<T>) {
         self.assert_mine(neighbour);
         assert self.size > 0;
         self.link(neighbour.prev, nobe);
         self.link(nobe, some(neighbour));
         self.size += 1;
     }
-    fn insert_right(neighbour: dlist_node<T>, nobe: dlist_link<T>) {
+    fn insert_right(neighbour: DListNode<T>, nobe: DListLink<T>) {
         self.assert_mine(neighbour);
         assert self.size > 0;
         self.link(nobe, neighbour.next);
@@ -186,7 +186,7 @@ priv impl<T> dlist<T> {
     }
 }
 
-impl<T> dlist<T> {
+impl<T> DList<T> {
     /// Get the size of the list. O(1).
     pure fn len()          -> uint { self.size }
     /// Returns true if the list is empty. O(1).
@@ -202,7 +202,7 @@ impl<T> dlist<T> {
      * Add data to the head of the list, and get the new containing
      * node. O(1).
      */
-    fn push_head_n(+data: T) -> dlist_node<T> {
+    fn push_head_n(+data: T) -> DListNode<T> {
         let mut nobe = self.new_link(data);
         self.add_head(nobe);
         option::get(nobe)
@@ -215,7 +215,7 @@ impl<T> dlist<T> {
      * Add data to the tail of the list, and get the new containing
      * node. O(1).
      */
-    fn push_n(+data: T) -> dlist_node<T> {
+    fn push_n(+data: T) -> DListNode<T> {
         let mut nobe = self.new_link(data);
         self.add_tail(nobe);
         option::get(nobe)
@@ -224,14 +224,14 @@ impl<T> dlist<T> {
      * Insert data into the middle of the list, left of the given node.
      * O(1).
      */
-    fn insert_before(+data: T, neighbour: dlist_node<T>) {
+    fn insert_before(+data: T, neighbour: DListNode<T>) {
         self.insert_left(self.new_link(data), neighbour);
     }
     /**
      * Insert an existing node in the middle of the list, left of the
      * given node. O(1).
      */
-    fn insert_n_before(nobe: dlist_node<T>, neighbour: dlist_node<T>) {
+    fn insert_n_before(nobe: DListNode<T>, neighbour: DListNode<T>) {
         self.make_mine(nobe);
         self.insert_left(some(nobe), neighbour);
     }
@@ -239,7 +239,7 @@ impl<T> dlist<T> {
      * Insert data in the middle of the list, left of the given node,
      * and get its containing node. O(1).
      */
-    fn insert_before_n(+data: T, neighbour: dlist_node<T>) -> dlist_node<T> {
+    fn insert_before_n(+data: T, neighbour: DListNode<T>) -> DListNode<T> {
         let mut nobe = self.new_link(data);
         self.insert_left(nobe, neighbour);
         option::get(nobe)
@@ -248,14 +248,14 @@ impl<T> dlist<T> {
      * Insert data into the middle of the list, right of the given node.
      * O(1).
      */
-    fn insert_after(+data: T, neighbour: dlist_node<T>) {
+    fn insert_after(+data: T, neighbour: DListNode<T>) {
         self.insert_right(neighbour, self.new_link(data));
     }
     /**
      * Insert an existing node in the middle of the list, right of the
      * given node. O(1).
      */
-    fn insert_n_after(nobe: dlist_node<T>, neighbour: dlist_node<T>) {
+    fn insert_n_after(nobe: DListNode<T>, neighbour: DListNode<T>) {
         self.make_mine(nobe);
         self.insert_right(neighbour, some(nobe));
     }
@@ -263,38 +263,38 @@ impl<T> dlist<T> {
      * Insert data in the middle of the list, right of the given node,
      * and get its containing node. O(1).
      */
-    fn insert_after_n(+data: T, neighbour: dlist_node<T>) -> dlist_node<T> {
+    fn insert_after_n(+data: T, neighbour: DListNode<T>) -> DListNode<T> {
         let mut nobe = self.new_link(data);
         self.insert_right(neighbour, nobe);
         option::get(nobe)
     }
 
     /// Remove a node from the head of the list. O(1).
-    fn pop_n() -> option<dlist_node<T>> {
+    fn pop_n() -> option<DListNode<T>> {
         let hd = self.peek_n();
         hd.map(|nobe| self.unlink(nobe));
         hd
     }
     /// Remove a node from the tail of the list. O(1).
-    fn pop_tail_n() -> option<dlist_node<T>> {
+    fn pop_tail_n() -> option<DListNode<T>> {
         let tl = self.peek_tail_n();
         tl.map(|nobe| self.unlink(nobe));
         tl
     }
     /// Get the node at the list's head. O(1).
-    pure fn peek_n() -> option<dlist_node<T>> { self.hd }
+    pure fn peek_n() -> option<DListNode<T>> { self.hd }
     /// Get the node at the list's tail. O(1).
-    pure fn peek_tail_n() -> option<dlist_node<T>> { self.tl }
+    pure fn peek_tail_n() -> option<DListNode<T>> { self.tl }
 
     /// Get the node at the list's head, failing if empty. O(1).
-    pure fn head_n() -> dlist_node<T> {
+    pure fn head_n() -> DListNode<T> {
         match self.hd {
             some(nobe) => nobe,
             none       => fail ~"Attempted to get the head of an empty dlist."
         }
     }
     /// Get the node at the list's tail, failing if empty. O(1).
-    pure fn tail_n() -> dlist_node<T> {
+    pure fn tail_n() -> DListNode<T> {
         match self.tl {
             some(nobe) => nobe,
             none       => fail ~"Attempted to get the tail of an empty dlist."
@@ -302,13 +302,13 @@ impl<T> dlist<T> {
     }
 
     /// Remove a node from anywhere in the list. O(1).
-    fn remove(nobe: dlist_node<T>) { self.unlink(nobe); }
+    fn remove(nobe: DListNode<T>) { self.unlink(nobe); }
 
     /**
      * Empty another list onto the end of this list, joining this list's tail
      * to the other list's head. O(1).
      */
-    fn append(them: dlist<T>) {
+    fn append(them: DList<T>) {
         if box::ptr_eq(*self, *them) {
             fail ~"Cannot append a dlist to itself!"
         }
@@ -325,7 +325,7 @@ impl<T> dlist<T> {
      * Empty another list onto the start of this list, joining the other
      * list's tail to this list's head. O(1).
      */
-    fn prepend(them: dlist<T>) {
+    fn prepend(them: DList<T>) {
         if box::ptr_eq(*self, *them) {
             fail ~"Cannot prepend a dlist to itself!"
         }
@@ -363,7 +363,7 @@ impl<T> dlist<T> {
     }
 
     /// Iterate over nodes.
-    pure fn each_node(f: fn(dlist_node<T>) -> bool) {
+    pure fn each_node(f: fn(DListNode<T>) -> bool) {
         let mut link = self.peek_n();
         while link.is_some() {
             let nobe = link.get();
@@ -415,7 +415,7 @@ impl<T> dlist<T> {
     }
 }
 
-impl<T: copy> dlist<T> {
+impl<T: copy> DList<T> {
     /// Remove data from the head of the list. O(1).
     fn pop()       -> option<T> { self.pop_n().map       (|nobe| nobe.data) }
     /// Remove data from the tail of the list. O(1).
diff --git a/src/libcore/dvec.rs b/src/libcore/dvec.rs
index 1f349b67002..ecbff6f12df 100644
--- a/src/libcore/dvec.rs
+++ b/src/libcore/dvec.rs
@@ -12,6 +12,7 @@
 import unsafe::reinterpret_cast;
 import ptr::null;
 
+export DVec;
 export dvec;
 export from_elem;
 export from_vec;
@@ -49,36 +50,36 @@ export unwrap;
  * pointers achieved about 103 million pushes/second.  Using an option
  * type could only produce 47 million pushes/second.
  */
-type dvec_<A> = {
+type DVec_<A> = {
     mut data: ~[mut A]
 };
 
-enum dvec<A> {
-    dvec_(dvec_<A>)
+enum DVec<A> {
+    DVec_(DVec_<A>)
 }
 
 /// Creates a new, empty dvec
-fn dvec<A>() -> dvec<A> {
-    dvec_({mut data: ~[mut]})
+fn dvec<A>() -> DVec<A> {
+    DVec_({mut data: ~[mut]})
 }
 
 /// Creates a new dvec with a single element
-fn from_elem<A>(+e: A) -> dvec<A> {
-    dvec_({mut data: ~[mut e]})
+fn from_elem<A>(+e: A) -> DVec<A> {
+    DVec_({mut data: ~[mut e]})
 }
 
 /// Creates a new dvec with the contents of a vector
-fn from_vec<A>(+v: ~[mut A]) -> dvec<A> {
-    dvec_({mut data: v})
+fn from_vec<A>(+v: ~[mut A]) -> DVec<A> {
+    DVec_({mut data: v})
 }
 
 /// Consumes the vector and returns its contents
-fn unwrap<A>(+d: dvec<A>) -> ~[mut A] {
-    let dvec_({data: v}) <- d;
+fn unwrap<A>(+d: DVec<A>) -> ~[mut A] {
+    let DVec_({data: v}) <- d;
     return v;
 }
 
-priv impl<A> dvec<A> {
+priv impl<A> DVec<A> {
     pure fn check_not_borrowed() {
         unsafe {
             let data: *() = unsafe::reinterpret_cast(self.data);
@@ -110,7 +111,7 @@ priv impl<A> dvec<A> {
 // In theory, most everything should work with any A, but in practice
 // almost nothing works without the copy bound due to limitations
 // around closures.
-impl<A> dvec<A> {
+impl<A> DVec<A> {
     /// Reserves space for N elements
     fn reserve(count: uint) {
         vec::reserve(self.data, count)
@@ -191,7 +192,7 @@ impl<A> dvec<A> {
     }
 }
 
-impl<A: copy> dvec<A> {
+impl<A: copy> DVec<A> {
     /**
      * Append all elements of a vector to the end of the list
      *
@@ -308,7 +309,7 @@ impl<A: copy> dvec<A> {
     }
 }
 
-impl<A:copy> dvec<A>: index<uint,A> {
+impl<A:copy> DVec<A>: index<uint,A> {
     pure fn index(&&idx: uint) -> A {
         self.get_elt(idx)
     }
diff --git a/src/libcore/either.rs b/src/libcore/either.rs
index 6b9c1846c37..6e2698ce8ab 100644
--- a/src/libcore/either.rs
+++ b/src/libcore/either.rs
@@ -7,13 +7,13 @@
 import result::result;
 
 /// The either type
-enum either<T, U> {
-    left(T),
-    right(U)
+enum Either<T, U> {
+    Left(T),
+    Right(U)
 }
 
 fn either<T, U, V>(f_left: fn((&T)) -> V,
-                   f_right: fn((&U)) -> V, value: &either<T, U>) -> V {
+                   f_right: fn((&U)) -> V, value: &Either<T, U>) -> V {
     /*!
      * Applies a function based on the given either value
      *
@@ -23,38 +23,38 @@ fn either<T, U, V>(f_left: fn((&T)) -> V,
      */
 
     match *value {
-      left(ref l) => f_left(l),
-      right(ref r) => f_right(r)
+      Left(ref l) => f_left(l),
+      Right(ref r) => f_right(r)
     }
 }
 
-fn lefts<T: copy, U>(eithers: &[either<T, U>]) -> ~[T] {
+fn lefts<T: copy, U>(eithers: &[Either<T, U>]) -> ~[T] {
     //! Extracts from a vector of either all the left values
 
     let mut result: ~[T] = ~[];
     for vec::each(eithers) |elt| {
         match elt {
-          left(l) => vec::push(result, l),
+          Left(l) => vec::push(result, l),
           _ => { /* fallthrough */ }
         }
     }
     return result;
 }
 
-fn rights<T, U: copy>(eithers: &[either<T, U>]) -> ~[U] {
+fn rights<T, U: copy>(eithers: &[Either<T, U>]) -> ~[U] {
     //! Extracts from a vector of either all the right values
 
     let mut result: ~[U] = ~[];
     for vec::each(eithers) |elt| {
         match elt {
-          right(r) => vec::push(result, r),
+          Right(r) => vec::push(result, r),
           _ => { /* fallthrough */ }
         }
     }
     return result;
 }
 
-fn partition<T: copy, U: copy>(eithers: &[either<T, U>])
+fn partition<T: copy, U: copy>(eithers: &[Either<T, U>])
     -> {lefts: ~[T], rights: ~[U]} {
     /*!
      * Extracts from a vector of either all the left values and right values
@@ -67,23 +67,23 @@ fn partition<T: copy, U: copy>(eithers: &[either<T, U>])
     let mut rights: ~[U] = ~[];
     for vec::each(eithers) |elt| {
         match elt {
-          left(l) => vec::push(lefts, l),
-          right(r) => vec::push(rights, r)
+          Left(l) => vec::push(lefts, l),
+          Right(r) => vec::push(rights, r)
         }
     }
     return {lefts: lefts, rights: rights};
 }
 
-pure fn flip<T: copy, U: copy>(eith: &either<T, U>) -> either<U, T> {
+pure fn flip<T: copy, U: copy>(eith: &Either<T, U>) -> Either<U, T> {
     //! Flips between left and right of a given either
 
     match *eith {
-      right(r) => left(r),
-      left(l) => right(l)
+      Right(r) => Left(r),
+      Left(l) => Right(l)
     }
 }
 
-pure fn to_result<T: copy, U: copy>(eith: &either<T, U>) -> result<U, T> {
+pure fn to_result<T: copy, U: copy>(eith: &Either<T, U>) -> result<U, T> {
     /*!
      * Converts either::t to a result::t
      *
@@ -92,26 +92,26 @@ pure fn to_result<T: copy, U: copy>(eith: &either<T, U>) -> result<U, T> {
      */
 
     match *eith {
-      right(r) => result::ok(r),
-      left(l) => result::err(l)
+      Right(r) => result::ok(r),
+      Left(l) => result::err(l)
     }
 }
 
-pure fn is_left<T, U>(eith: &either<T, U>) -> bool {
+pure fn is_left<T, U>(eith: &Either<T, U>) -> bool {
     //! Checks whether the given value is a left
 
-    match *eith { left(_) => true, _ => false }
+    match *eith { Left(_) => true, _ => false }
 }
 
-pure fn is_right<T, U>(eith: &either<T, U>) -> bool {
+pure fn is_right<T, U>(eith: &Either<T, U>) -> bool {
     //! Checks whether the given value is a right
 
-    match *eith { right(_) => true, _ => false }
+    match *eith { Right(_) => true, _ => false }
 }
 
 #[test]
 fn test_either_left() {
-    let val = left(10);
+    let val = Left(10);
     fn f_left(x: &int) -> bool { *x == 10 }
     fn f_right(_x: &uint) -> bool { false }
     assert (either(f_left, f_right, &val));
@@ -119,7 +119,7 @@ fn test_either_left() {
 
 #[test]
 fn test_either_right() {
-    let val = right(10u);
+    let val = Right(10u);
     fn f_left(_x: &int) -> bool { false }
     fn f_right(x: &uint) -> bool { *x == 10u }
     assert (either(f_left, f_right, &val));
@@ -127,49 +127,49 @@ fn test_either_right() {
 
 #[test]
 fn test_lefts() {
-    let input = ~[left(10), right(11), left(12), right(13), left(14)];
+    let input = ~[Left(10), Right(11), Left(12), Right(13), Left(14)];
     let result = lefts(input);
     assert (result == ~[10, 12, 14]);
 }
 
 #[test]
 fn test_lefts_none() {
-    let input: ~[either<int, int>] = ~[right(10), right(10)];
+    let input: ~[Either<int, int>] = ~[Right(10), Right(10)];
     let result = lefts(input);
     assert (vec::len(result) == 0u);
 }
 
 #[test]
 fn test_lefts_empty() {
-    let input: ~[either<int, int>] = ~[];
+    let input: ~[Either<int, int>] = ~[];
     let result = lefts(input);
     assert (vec::len(result) == 0u);
 }
 
 #[test]
 fn test_rights() {
-    let input = ~[left(10), right(11), left(12), right(13), left(14)];
+    let input = ~[Left(10), Right(11), Left(12), Right(13), Left(14)];
     let result = rights(input);
     assert (result == ~[11, 13]);
 }
 
 #[test]
 fn test_rights_none() {
-    let input: ~[either<int, int>] = ~[left(10), left(10)];
+    let input: ~[Either<int, int>] = ~[Left(10), Left(10)];
     let result = rights(input);
     assert (vec::len(result) == 0u);
 }
 
 #[test]
 fn test_rights_empty() {
-    let input: ~[either<int, int>] = ~[];
+    let input: ~[Either<int, int>] = ~[];
     let result = rights(input);
     assert (vec::len(result) == 0u);
 }
 
 #[test]
 fn test_partition() {
-    let input = ~[left(10), right(11), left(12), right(13), left(14)];
+    let input = ~[Left(10), Right(11), Left(12), Right(13), Left(14)];
     let result = partition(input);
     assert (result.lefts[0] == 10);
     assert (result.lefts[1] == 12);
@@ -180,7 +180,7 @@ fn test_partition() {
 
 #[test]
 fn test_partition_no_lefts() {
-    let input: ~[either<int, int>] = ~[right(10), right(11)];
+    let input: ~[Either<int, int>] = ~[Right(10), Right(11)];
     let result = partition(input);
     assert (vec::len(result.lefts) == 0u);
     assert (vec::len(result.rights) == 2u);
@@ -188,7 +188,7 @@ fn test_partition_no_lefts() {
 
 #[test]
 fn test_partition_no_rights() {
-    let input: ~[either<int, int>] = ~[left(10), left(11)];
+    let input: ~[Either<int, int>] = ~[Left(10), Left(11)];
     let result = partition(input);
     assert (vec::len(result.lefts) == 2u);
     assert (vec::len(result.rights) == 0u);
@@ -196,7 +196,7 @@ fn test_partition_no_rights() {
 
 #[test]
 fn test_partition_empty() {
-    let input: ~[either<int, int>] = ~[];
+    let input: ~[Either<int, int>] = ~[];
     let result = partition(input);
     assert (vec::len(result.lefts) == 0u);
     assert (vec::len(result.rights) == 0u);
diff --git a/src/libcore/future.rs b/src/libcore/future.rs
index 79259c785fe..a935a50ddb6 100644
--- a/src/libcore/future.rs
+++ b/src/libcore/future.rs
@@ -15,7 +15,7 @@
  * ~~~
  */
 
-import either::either;
+import either::Either;
 import pipes::recv;
 
 export future;
@@ -32,7 +32,7 @@ export future_pipe;
 
 #[doc = "The future type"]
 enum future<A> = {
-    mut v: either<@A, fn@() -> A>
+    mut v: Either<@A, fn@() -> A>
 };
 
 /// Methods on the `future` type
@@ -60,7 +60,7 @@ fn from_value<A>(+val: A) -> future<A> {
      */
 
     future({
-        mut v: either::left(@val)
+        mut v: either::Left(@val)
     })
 }
 
@@ -97,7 +97,7 @@ fn from_fn<A>(f: fn@() -> A) -> future<A> {
      */
 
     future({
-        mut v: either::right(f)
+        mut v: either::Right(f)
     })
 }
 
@@ -124,10 +124,10 @@ fn with<A,B>(future: &future<A>, blk: fn((&A)) -> B) -> B {
     //! Work with the value without copying it
 
     let v = match copy future.v {
-      either::left(v) => v,
-      either::right(f) => {
+      either::Left(v) => v,
+      either::Right(f) => {
         let v = @f();
-        future.v = either::left(v);
+        future.v = either::Left(v);
         v
       }
     };
diff --git a/src/libcore/int-template.rs b/src/libcore/int-template.rs
index 0819d702456..9ebfec47c7c 100644
--- a/src/libcore/int-template.rs
+++ b/src/libcore/int-template.rs
@@ -88,7 +88,7 @@ impl T: num::Num {
     static pure fn from_int(n: int) -> T   { return n as T;      }
 }
 
-impl T: iter::times {
+impl T: iter::Times {
     #[inline(always)]
     #[doc = "A convenience form for basic iteration. Given a variable `x` \
         of any numeric type, the expression `for x.times { /* anything */ }` \
@@ -108,7 +108,7 @@ impl T: iter::times {
     }
 }
 
-impl T: iter::timesi {
+impl T: iter::TimesIx {
     #[inline(always)]
     /// Like `times`, but provides an index
     fn timesi(it: fn(uint) -> bool) {
@@ -255,7 +255,7 @@ fn test_interfaces() {
 
 #[test]
 fn test_times() {
-    import iter::times;
+    import iter::Times;
     let ten = 10 as T;
     let mut accum = 0;
     for ten.times { accum += 1; }
@@ -266,6 +266,6 @@ fn test_times() {
 #[should_fail]
 #[ignore(cfg(windows))]
 fn test_times_negative() {
-    import iter::times;
+    import iter::Times;
     for (-10).times { log(error, ~"nope!"); }
 }
diff --git a/src/libcore/io.rs b/src/libcore/io.rs
index c01672b5c73..d85ffb4981d 100644
--- a/src/libcore/io.rs
+++ b/src/libcore/io.rs
@@ -6,7 +6,7 @@ Basic input/output
 
 import result::result;
 
-import dvec::dvec;
+import dvec::{DVec, dvec};
 import libc::{c_int, c_long, c_uint, c_void, size_t, ssize_t};
 import libc::consts::os::posix88::*;
 import libc::consts::os::extra::*;
@@ -657,7 +657,7 @@ fn stderr() -> Writer { fd_writer(libc::STDERR_FILENO as c_int, false) }
 fn print(s: &str) { stdout().write_str(s); }
 fn println(s: &str) { stdout().write_line(s); }
 
-type MemBuffer = @{buf: dvec<u8>, mut pos: uint};
+type MemBuffer = @{buf: DVec<u8>, mut pos: uint};
 
 impl MemBuffer: Writer {
     fn write(v: &[const u8]) {
diff --git a/src/libcore/iter-trait.rs b/src/libcore/iter-trait.rs
index d448292b1aa..5aeb958f5b2 100644
--- a/src/libcore/iter-trait.rs
+++ b/src/libcore/iter-trait.rs
@@ -5,12 +5,12 @@
 import inst::{IMPL_T, EACH, SIZE_HINT};
 export extensions;
 
-impl<A> IMPL_T<A>: iter::base_iter<A> {
+impl<A> IMPL_T<A>: iter::BaseIter<A> {
     fn each(blk: fn(A) -> bool) { EACH(self, blk) }
     fn size_hint() -> option<uint> { SIZE_HINT(self) }
 }
 
-impl<A> IMPL_T<A>: iter::extended_iter<A> {
+impl<A> IMPL_T<A>: iter::ExtendedIter<A> {
     fn eachi(blk: fn(uint, A) -> bool) { iter::eachi(self, blk) }
     fn all(blk: fn(A) -> bool) -> bool { iter::all(self, blk) }
     fn any(blk: fn(A) -> bool) -> bool { iter::any(self, blk) }
@@ -24,7 +24,7 @@ impl<A> IMPL_T<A>: iter::extended_iter<A> {
     }
 }
 
-impl<A: copy> IMPL_T<A>: iter::copyable_iter<A> {
+impl<A: copy> IMPL_T<A>: iter::CopyableIter<A> {
     fn filter_to_vec(pred: fn(A) -> bool) -> ~[A] {
         iter::filter_to_vec(self, pred)
     }
diff --git a/src/libcore/iter-trait/dlist.rs b/src/libcore/iter-trait/dlist.rs
index 9d8d147ffd7..91d6ffa765a 100644
--- a/src/libcore/iter-trait/dlist.rs
+++ b/src/libcore/iter-trait/dlist.rs
@@ -1,4 +1,5 @@
-type IMPL_T<A> = dlist::dlist<A>;
+#[allow(non_camel_case_types)]
+type IMPL_T<A> = dlist::DList<A>;
 
 /**
  * Iterates through the current contents.
diff --git a/src/libcore/iter-trait/dvec.rs b/src/libcore/iter-trait/dvec.rs
index d40eead14ff..5c02f8b5dea 100644
--- a/src/libcore/iter-trait/dvec.rs
+++ b/src/libcore/iter-trait/dvec.rs
@@ -1,4 +1,5 @@
-type IMPL_T<A> = dvec::dvec<A>;
+#[allow(non_camel_case_types)]
+type IMPL_T<A> = dvec::DVec<A>;
 
 /**
  * Iterates through the current contents.
diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index 2cb3369dbc7..06a1c6c9fba 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -1,9 +1,9 @@
-trait base_iter<A> {
+trait BaseIter<A> {
     fn each(blk: fn(A) -> bool);
     fn size_hint() -> option<uint>;
 }
 
-trait extended_iter<A> {
+trait ExtendedIter<A> {
     fn eachi(blk: fn(uint, A) -> bool);
     fn all(blk: fn(A) -> bool) -> bool;
     fn any(blk: fn(A) -> bool) -> bool;
@@ -13,14 +13,14 @@ trait extended_iter<A> {
     fn position(f: fn(A) -> bool) -> option<uint>;
 }
 
-trait times {
+trait Times {
     fn times(it: fn() -> bool);
 }
-trait timesi{
+trait TimesIx{
     fn timesi(it: fn(uint) -> bool);
 }
 
-trait copyable_iter<A:copy> {
+trait CopyableIter<A:copy> {
     fn filter_to_vec(pred: fn(A) -> bool) -> ~[A];
     fn map_to_vec<B>(op: fn(A) -> B) -> ~[B];
     fn to_vec() -> ~[A];
@@ -29,7 +29,7 @@ trait copyable_iter<A:copy> {
     fn find(p: fn(A) -> bool) -> option<A>;
 }
 
-fn eachi<A,IA:base_iter<A>>(self: IA, blk: fn(uint, A) -> bool) {
+fn eachi<A,IA:BaseIter<A>>(self: IA, blk: fn(uint, A) -> bool) {
     let mut i = 0u;
     for self.each |a| {
         if !blk(i, a) { break; }
@@ -37,21 +37,21 @@ fn eachi<A,IA:base_iter<A>>(self: IA, blk: fn(uint, A) -> bool) {
     }
 }
 
-fn all<A,IA:base_iter<A>>(self: IA, blk: fn(A) -> bool) -> bool {
+fn all<A,IA:BaseIter<A>>(self: IA, blk: fn(A) -> bool) -> bool {
     for self.each |a| {
         if !blk(a) { return false; }
     }
     return true;
 }
 
-fn any<A,IA:base_iter<A>>(self: IA, blk: fn(A) -> bool) -> bool {
+fn any<A,IA:BaseIter<A>>(self: IA, blk: fn(A) -> bool) -> bool {
     for self.each |a| {
         if blk(a) { return true; }
     }
     return false;
 }
 
-fn filter_to_vec<A:copy,IA:base_iter<A>>(self: IA,
+fn filter_to_vec<A:copy,IA:BaseIter<A>>(self: IA,
                                          prd: fn(A) -> bool) -> ~[A] {
     let mut result = ~[];
     self.size_hint().iter(|hint| vec::reserve(result, hint));
@@ -61,7 +61,7 @@ fn filter_to_vec<A:copy,IA:base_iter<A>>(self: IA,
     return result;
 }
 
-fn map_to_vec<A:copy,B,IA:base_iter<A>>(self: IA, op: fn(A) -> B) -> ~[B] {
+fn map_to_vec<A:copy,B,IA:BaseIter<A>>(self: IA, op: fn(A) -> B) -> ~[B] {
     let mut result = ~[];
     self.size_hint().iter(|hint| vec::reserve(result, hint));
     for self.each |a| {
@@ -70,7 +70,7 @@ fn map_to_vec<A:copy,B,IA:base_iter<A>>(self: IA, op: fn(A) -> B) -> ~[B] {
     return result;
 }
 
-fn flat_map_to_vec<A:copy,B:copy,IA:base_iter<A>,IB:base_iter<B>>(
+fn flat_map_to_vec<A:copy,B:copy,IA:BaseIter<A>,IB:BaseIter<B>>(
     self: IA, op: fn(A) -> IB) -> ~[B] {
 
     let mut result = ~[];
@@ -82,7 +82,7 @@ fn flat_map_to_vec<A:copy,B:copy,IA:base_iter<A>,IB:base_iter<B>>(
     return result;
 }
 
-fn foldl<A,B,IA:base_iter<A>>(self: IA, +b0: B, blk: fn(B, A) -> B) -> B {
+fn foldl<A,B,IA:BaseIter<A>>(self: IA, +b0: B, blk: fn(B, A) -> B) -> B {
     let mut b <- b0;
     for self.each |a| {
         b = blk(b, a);
@@ -90,18 +90,18 @@ fn foldl<A,B,IA:base_iter<A>>(self: IA, +b0: B, blk: fn(B, A) -> B) -> B {
     return b;
 }
 
-fn to_vec<A:copy,IA:base_iter<A>>(self: IA) -> ~[A] {
+fn to_vec<A:copy,IA:BaseIter<A>>(self: IA) -> ~[A] {
     foldl::<A,~[A],IA>(self, ~[], |r, a| vec::append(r, ~[a]))
 }
 
-fn contains<A,IA:base_iter<A>>(self: IA, x: A) -> bool {
+fn contains<A,IA:BaseIter<A>>(self: IA, x: A) -> bool {
     for self.each |a| {
         if a == x { return true; }
     }
     return false;
 }
 
-fn count<A,IA:base_iter<A>>(self: IA, x: A) -> uint {
+fn count<A,IA:BaseIter<A>>(self: IA, x: A) -> uint {
     do foldl(self, 0u) |count, value| {
         if value == x {
             count + 1u
@@ -111,7 +111,7 @@ fn count<A,IA:base_iter<A>>(self: IA, x: A) -> uint {
     }
 }
 
-fn position<A,IA:base_iter<A>>(self: IA, f: fn(A) -> bool)
+fn position<A,IA:BaseIter<A>>(self: IA, f: fn(A) -> bool)
         -> option<uint> {
     let mut i = 0;
     for self.each |a| {
@@ -133,7 +133,7 @@ fn repeat(times: uint, blk: fn() -> bool) {
     }
 }
 
-fn min<A:copy,IA:base_iter<A>>(self: IA) -> A {
+fn min<A:copy,IA:BaseIter<A>>(self: IA) -> A {
     match do foldl::<A,option<A>,IA>(self, none) |a, b| {
         match a {
           some(a_) if a_ < b => {
@@ -149,7 +149,7 @@ fn min<A:copy,IA:base_iter<A>>(self: IA) -> A {
     }
 }
 
-fn max<A:copy,IA:base_iter<A>>(self: IA) -> A {
+fn max<A:copy,IA:BaseIter<A>>(self: IA) -> A {
     match do foldl::<A,option<A>,IA>(self, none) |a, b| {
         match a {
           some(a_) if a_ > b => {
diff --git a/src/libcore/os.rs b/src/libcore/os.rs
index ec4485bb123..7d5e98c08bd 100644
--- a/src/libcore/os.rs
+++ b/src/libcore/os.rs
@@ -177,16 +177,16 @@ mod global_env {
             do priv::weaken_task |weak_po| {
                 loop {
                     match comm::select2(msg_po, weak_po) {
-                      either::left(MsgGetEnv(n, resp_ch)) => {
+                      either::Left(MsgGetEnv(n, resp_ch)) => {
                         comm::send(resp_ch, impl::getenv(n))
                       }
-                      either::left(MsgSetEnv(n, v, resp_ch)) => {
+                      either::Left(MsgSetEnv(n, v, resp_ch)) => {
                         comm::send(resp_ch, impl::setenv(n, v))
                       }
-                      either::left(MsgEnv(resp_ch)) => {
+                      either::Left(MsgEnv(resp_ch)) => {
                         comm::send(resp_ch, impl::env())
                       }
-                      either::right(_) => break
+                      either::Right(_) => break
                     }
                 }
             }
diff --git a/src/libcore/pipes.rs b/src/libcore/pipes.rs
index ba8ac5cae87..6de2059d2de 100644
--- a/src/libcore/pipes.rs
+++ b/src/libcore/pipes.rs
@@ -77,7 +77,7 @@ bounded and unbounded protocols allows for less code duplication.
 #[forbid(deprecated_pattern)];
 
 import unsafe::{forget, reinterpret_cast, transmute};
-import either::{either, left, right};
+import either::{Either, Left, Right};
 import option::unwrap;
 
 // Things used by code generated by the pipe compiler.
@@ -658,15 +658,15 @@ this case, `select2` may return either `left` or `right`.
 fn select2<A: send, Ab: send, B: send, Bb: send>(
     +a: recv_packet_buffered<A, Ab>,
     +b: recv_packet_buffered<B, Bb>)
-    -> either<(option<A>, recv_packet_buffered<B, Bb>),
+    -> Either<(option<A>, recv_packet_buffered<B, Bb>),
               (recv_packet_buffered<A, Ab>, option<B>)>
 {
     let i = wait_many([a.header(), b.header()]/_);
 
     unsafe {
         match i {
-          0 => left((try_recv(a), b)),
-          1 => right((a, try_recv(b))),
+          0 => Left((try_recv(a), b)),
+          1 => Right((a, try_recv(b))),
           _ => fail ~"select2 return an invalid packet"
         }
     }
@@ -687,10 +687,10 @@ fn selecti<T: selectable>(endpoints: &[T]) -> uint {
 }
 
 /// Returns 0 or 1 depending on which endpoint is ready to receive
-fn select2i<A: selectable, B: selectable>(a: &A, b: &B) -> either<(), ()> {
+fn select2i<A: selectable, B: selectable>(a: &A, b: &B) -> Either<(), ()> {
     match wait_many([a.header(), b.header()]/_) {
-      0 => left(()),
-      1 => right(()),
+      0 => Left(()),
+      1 => Right(()),
       _ => fail ~"wait returned unexpected index"
     }
 }
@@ -1117,28 +1117,28 @@ fn shared_chan<T:send>(+c: chan<T>) -> shared_chan<T> {
 /// Receive a message from one of two endpoints.
 trait select2<T: send, U: send> {
     /// Receive a message or return `none` if a connection closes.
-    fn try_select() -> either<option<T>, option<U>>;
+    fn try_select() -> Either<option<T>, option<U>>;
     /// Receive a message or fail if a connection closes.
-    fn select() -> either<T, U>;
+    fn select() -> Either<T, U>;
 }
 
 impl<T: send, U: send, Left: selectable recv<T>, Right: selectable recv<U>>
     (Left, Right): select2<T, U> {
 
-    fn select() -> either<T, U> {
+    fn select() -> Either<T, U> {
         match self {
           (lp, rp) => match select2i(&lp, &rp) {
-            left(()) => left (lp.recv()),
-            right(()) => right(rp.recv())
+            Left(()) => Left (lp.recv()),
+            Right(()) => Right(rp.recv())
           }
         }
     }
 
-    fn try_select() -> either<option<T>, option<U>> {
+    fn try_select() -> Either<option<T>, option<U>> {
         match self {
           (lp, rp) => match select2i(&lp, &rp) {
-            left(()) => left (lp.try_recv()),
-            right(()) => right(rp.try_recv())
+            Left(()) => Left (lp.try_recv()),
+            Right(()) => Right(rp.try_recv())
           }
         }
     }
@@ -1204,7 +1204,7 @@ mod test {
         c1.send(~"abc");
 
         match (p1, p2).select() {
-          right(_) => fail,
+          Right(_) => fail,
           _ => ()
         }
 
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index b7b63af0afb..2c3ff0121ba 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -16,7 +16,7 @@ export to_uint;
 export ref_eq;
 export buf_len;
 export position;
-export ptr;
+export Ptr;
 
 import libc::{c_void, size_t};
 
@@ -156,13 +156,13 @@ fn ref_eq<T>(thing: &a/T, other: &b/T) -> bool {
     to_uint(thing) == to_uint(other)
 }
 
-trait ptr {
+trait Ptr {
     pure fn is_null() -> bool;
     pure fn is_not_null() -> bool;
 }
 
 /// Extension methods for pointers
-impl<T> *T: ptr {
+impl<T> *T: Ptr {
     /// Returns true if the pointer is equal to the null pointer.
     pure fn is_null() -> bool { is_null(self) }
 
diff --git a/src/libcore/result.rs b/src/libcore/result.rs
index 762191842b8..341d28e67e8 100644
--- a/src/libcore/result.rs
+++ b/src/libcore/result.rs
@@ -1,6 +1,6 @@
 //! A type representing either success or failure
 
-import either::either;
+import either::Either;
 
 /// The result type
 enum result<T, U> {
@@ -59,10 +59,10 @@ pure fn is_err<T, U>(res: result<T, U>) -> bool {
  * `ok` result variants are converted to `either::right` variants, `err`
  * result variants are converted to `either::left`.
  */
-pure fn to_either<T: copy, U: copy>(res: result<U, T>) -> either<T, U> {
+pure fn to_either<T: copy, U: copy>(res: result<U, T>) -> Either<T, U> {
     match res {
-      ok(res) => either::right(res),
-      err(fail_) => either::left(fail_)
+      ok(res) => either::Right(res),
+      err(fail_) => either::Left(fail_)
     }
 }
 
diff --git a/src/libcore/send_map.rs b/src/libcore/send_map.rs
index 1a130e0e273..cb8d596cf88 100644
--- a/src/libcore/send_map.rs
+++ b/src/libcore/send_map.rs
@@ -10,28 +10,28 @@ Sendable hash maps.  Very much a work in progress.
  *
  * The hash should concentrate entropy in the lower bits.
  */
-type hashfn<K> = pure fn~(K) -> uint;
-type eqfn<K> = pure fn~(K, K) -> bool;
+type HashFn<K> = pure fn~(K) -> uint;
+type EqFn<K> = pure fn~(K, K) -> bool;
 
 /// Open addressing with linear probing.
 mod linear {
-    export linear_map, linear_map_with_capacity, public_methods;
+    export LinearMap, linear_map, linear_map_with_capacity, public_methods;
 
     const initial_capacity: uint = 32u; // 2^5
-    type bucket<K,V> = {hash: uint, key: K, value: V};
-    enum linear_map<K,V> {
-        linear_map_({
+    type Bucket<K,V> = {hash: uint, key: K, value: V};
+    enum LinearMap<K,V> {
+        LinearMap_({
             hashfn: pure fn~(x: &K) -> uint,
             eqfn: pure fn~(x: &K, y: &K) -> bool,
             resize_at: uint,
             size: uint,
-            buckets: ~[option<bucket<K,V>>]})
+            buckets: ~[option<Bucket<K,V>>]})
     }
 
     // FIXME(#2979) -- with #2979 we could rewrite found_entry
     // to have type option<&bucket<K,V>> which would be nifty
-    enum search_result {
-        found_entry(uint), found_hole(uint), table_full
+    enum SearchResult {
+        FoundEntry(uint), FoundHole(uint), TableFull
     }
 
     fn resize_at(capacity: uint) -> uint {
@@ -40,7 +40,7 @@ mod linear {
 
     fn linear_map<K,V>(
         +hashfn: pure fn~(x: &K) -> uint,
-        +eqfn: pure fn~(x: &K, y: &K) -> bool) -> linear_map<K,V> {
+        +eqfn: pure fn~(x: &K, y: &K) -> bool) -> LinearMap<K,V> {
 
         linear_map_with_capacity(hashfn, eqfn, 32)
     }
@@ -48,9 +48,9 @@ mod linear {
     fn linear_map_with_capacity<K,V>(
         +hashfn: pure fn~(x: &K) -> uint,
         +eqfn: pure fn~(x: &K, y: &K) -> bool,
-        initial_capacity: uint) -> linear_map<K,V> {
+        initial_capacity: uint) -> LinearMap<K,V> {
 
-        linear_map_({
+        LinearMap_({
             hashfn: hashfn,
             eqfn: eqfn,
             resize_at: resize_at(initial_capacity),
@@ -64,7 +64,7 @@ mod linear {
         unsafe::reinterpret_cast(p)
     }
 
-    priv impl<K, V> &const linear_map<K,V> {
+    priv impl<K, V> &const LinearMap<K,V> {
         #[inline(always)]
         pure fn to_bucket(h: uint) -> uint {
             // FIXME(#3041) borrow a more sophisticated technique here from
@@ -101,8 +101,8 @@ mod linear {
 
         #[inline(always)]
         pure fn bucket_for_key(
-            buckets: &[option<bucket<K,V>>],
-            k: &K) -> search_result {
+            buckets: &[option<Bucket<K,V>>],
+            k: &K) -> SearchResult {
 
             let hash = self.hashfn(k);
             self.bucket_for_key_with_hash(buckets, hash, k)
@@ -110,23 +110,23 @@ mod linear {
 
         #[inline(always)]
         pure fn bucket_for_key_with_hash(
-            buckets: &[option<bucket<K,V>>],
+            buckets: &[option<Bucket<K,V>>],
             hash: uint,
-            k: &K) -> search_result {
+            k: &K) -> SearchResult {
 
             let _ = for self.bucket_sequence(hash) |i| {
                 match buckets[i] {
                   some(bkt) => if bkt.hash == hash && self.eqfn(k, &bkt.key) {
-                    return found_entry(i);
+                    return FoundEntry(i);
                   },
-                  none => return found_hole(i)
+                  none => return FoundHole(i)
                 }
             };
-            return table_full;
+            return TableFull;
         }
     }
 
-    priv impl<K,V> &mut linear_map<K,V> {
+    priv impl<K,V> &mut LinearMap<K,V> {
         /// Expands the capacity of the array and re-inserts each
         /// of the existing buckets.
         fn expand() {
@@ -146,7 +146,7 @@ mod linear {
             }
         }
 
-        fn insert_bucket(+bucket: option<bucket<K,V>>) {
+        fn insert_bucket(+bucket: option<Bucket<K,V>>) {
             let {hash, key, value} <- option::unwrap(bucket);
             let _ = self.insert_internal(hash, key, value);
         }
@@ -157,15 +157,15 @@ mod linear {
         fn insert_internal(hash: uint, +k: K, +v: V) -> bool {
             match self.bucket_for_key_with_hash(self.buckets, hash,
                                               unsafe{borrow(k)}) {
-              table_full => {fail ~"Internal logic error";}
-              found_hole(idx) => {
+              TableFull => {fail ~"Internal logic error";}
+              FoundHole(idx) => {
                 debug!{"insert fresh (%?->%?) at idx %?, hash %?",
                        k, v, idx, hash};
                 self.buckets[idx] = some({hash: hash, key: k, value: v});
                 self.size += 1;
                 return true;
               }
-              found_entry(idx) => {
+              FoundEntry(idx) => {
                 debug!{"insert overwrite (%?->%?) at idx %?, hash %?",
                        k, v, idx, hash};
                 self.buckets[idx] = some({hash: hash, key: k, value: v});
@@ -175,7 +175,7 @@ mod linear {
         }
     }
 
-    impl<K,V> &mut linear_map<K,V> {
+    impl<K,V> &mut LinearMap<K,V> {
         fn insert(+k: K, +v: V) -> bool {
             if self.size >= self.resize_at {
                 // n.b.: We could also do this after searching, so
@@ -208,10 +208,10 @@ mod linear {
             // http://www.maths.lse.ac.uk/Courses/MA407/del-hash.pdf
 
             let mut idx = match self.bucket_for_key(self.buckets, k) {
-              table_full | found_hole(_) => {
+              TableFull | FoundHole(_) => {
                 return false;
               }
-              found_entry(idx) => {
+              FoundEntry(idx) => {
                 idx
               }
             };
@@ -230,13 +230,13 @@ mod linear {
         }
     }
 
-    priv impl<K,V> &linear_map<K,V> {
-        fn search(hash: uint, op: fn(x: &option<bucket<K,V>>) -> bool) {
+    priv impl<K,V> &LinearMap<K,V> {
+        fn search(hash: uint, op: fn(x: &option<Bucket<K,V>>) -> bool) {
             let _ = self.bucket_sequence(hash, |i| op(&self.buckets[i]));
         }
     }
 
-    impl<K,V> &const linear_map<K,V> {
+    impl<K,V> &const LinearMap<K,V> {
         pure fn len() -> uint {
             self.size
         }
@@ -247,21 +247,21 @@ mod linear {
 
         fn contains_key(k: &K) -> bool {
             match self.bucket_for_key(self.buckets, k) {
-              found_entry(_) => {true}
-              table_full | found_hole(_) => {false}
+              FoundEntry(_) => {true}
+              TableFull | FoundHole(_) => {false}
             }
         }
     }
 
-    impl<K,V: copy> &const linear_map<K,V> {
+    impl<K,V: copy> &const LinearMap<K,V> {
         fn find(k: &K) -> option<V> {
             match self.bucket_for_key(self.buckets, k) {
-              found_entry(idx) => {
+              FoundEntry(idx) => {
                 match check self.buckets[idx] {
                   some(bkt) => {some(copy bkt.value)}
                 }
               }
-              table_full | found_hole(_) => {
+              TableFull | FoundHole(_) => {
                 none
               }
             }
@@ -277,7 +277,7 @@ mod linear {
 
     }
 
-    impl<K,V> &linear_map<K,V> {
+    impl<K,V> &LinearMap<K,V> {
         /*
         FIXME --- #2979 must be fixed to typecheck this
         fn find_ptr(k: K) -> option<&V> {
@@ -306,17 +306,17 @@ mod linear {
         }
     }
 
-    impl<K: copy, V: copy> &linear_map<K,V> {
+    impl<K: copy, V: copy> &LinearMap<K,V> {
         fn each(blk: fn(+K,+V) -> bool) {
             self.each_ref(|k,v| blk(copy *k, copy *v));
         }
     }
-    impl<K: copy, V> &linear_map<K,V> {
+    impl<K: copy, V> &LinearMap<K,V> {
         fn each_key(blk: fn(+K) -> bool) {
             self.each_key_ref(|k| blk(copy *k));
         }
     }
-    impl<K, V: copy> &linear_map<K,V> {
+    impl<K, V: copy> &LinearMap<K,V> {
         fn each_value(blk: fn(+V) -> bool) {
             self.each_value_ref(|v| blk(copy *v));
         }
@@ -326,12 +326,12 @@ mod linear {
 #[test]
 mod test {
 
-    import linear::linear_map;
+    import linear::{LinearMap, linear_map};
 
     pure fn uint_hash(x: &uint) -> uint { *x }
     pure fn uint_eq(x: &uint, y: &uint) -> bool { *x == *y }
 
-    fn int_linear_map<V>() -> linear_map<uint,V> {
+    fn int_linear_map<V>() -> LinearMap<uint,V> {
         return linear_map(uint_hash, uint_eq);
     }
 
diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index 9a1e32a6711..d73c71c510a 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -108,8 +108,8 @@ export
 
    unsafe,
    extensions,
-   str_slice,
-   unique_str;
+   StrSlice,
+   UniqueStr;
 
 #[abi = "cdecl"]
 extern mod rustrt {
@@ -1877,7 +1877,7 @@ mod unsafe {
 
     /// Sets the length of the string and adds the null terminator
     unsafe fn set_len(&v: ~str, new_len: uint) {
-        let repr: *vec::unsafe::vec_repr = ::unsafe::reinterpret_cast(v);
+        let repr: *vec::unsafe::VecRepr = ::unsafe::reinterpret_cast(v);
         (*repr).fill = new_len + 1u;
         let null = ptr::mut_offset(ptr::mut_addr_of((*repr).data), new_len);
         *null = 0u8;
@@ -1895,14 +1895,14 @@ mod unsafe {
 
 }
 
-trait unique_str {
+trait UniqueStr {
     fn trim() -> self;
     fn trim_left() -> self;
     fn trim_right() -> self;
 }
 
 /// Extension methods for strings
-impl ~str: unique_str {
+impl ~str: UniqueStr {
     /// Returns a string with leading and trailing whitespace removed
     #[inline]
     fn trim() -> ~str { trim(self) }
@@ -1922,7 +1922,7 @@ impl ~str: add<&str,~str> {
     }
 }
 
-trait str_slice {
+trait StrSlice {
     fn all(it: fn(char) -> bool) -> bool;
     fn any(it: fn(char) -> bool) -> bool;
     fn contains(needle: &a/str) -> bool;
@@ -1951,7 +1951,7 @@ trait str_slice {
 }
 
 /// Extension methods for strings
-impl &str: str_slice {
+impl &str: StrSlice {
     /**
      * Return true if a predicate matches all characters or if the string
      * contains no characters
diff --git a/src/libcore/task.rs b/src/libcore/task.rs
index 2748b53fb54..678cda32404 100644
--- a/src/libcore/task.rs
+++ b/src/libcore/task.rs
@@ -693,7 +693,7 @@ type task_id = int;
 type rust_task = libc::c_void;
 type rust_closure = libc::c_void;
 
-type taskset = send_map::linear::linear_map<*rust_task,()>;
+type taskset = send_map::linear::LinearMap<*rust_task,()>;
 
 fn new_taskset() -> taskset {
     pure fn task_hash(t: &*rust_task) -> uint {
@@ -1271,7 +1271,7 @@ impl<T: owned> @T: local_data { }
 // heavily in future, this could be made more efficient with a proper map.
 type task_local_element = (*libc::c_void, *libc::c_void, local_data);
 // Has to be a pointer at outermost layer; the foreign call returns void *.
-type task_local_map = @dvec::dvec<option<task_local_element>>;
+type task_local_map = @dvec::DVec<option<task_local_element>>;
 
 extern fn cleanup_task_local_map(map_ptr: *libc::c_void) unsafe {
     assert !map_ptr.is_null();
diff --git a/src/libcore/uint-template.rs b/src/libcore/uint-template.rs
index 0fc35156f3a..4f27e8cea8f 100644
--- a/src/libcore/uint-template.rs
+++ b/src/libcore/uint-template.rs
@@ -80,7 +80,7 @@ impl T: num::Num {
     static pure fn from_int(n: int) -> T   { return n as T;      }
 }
 
-impl T: iter::times {
+impl T: iter::Times {
     #[inline(always)]
     #[doc = "A convenience form for basic iteration. Given a variable `x` \
         of any numeric type, the expression `for x.times { /* anything */ }` \
@@ -96,7 +96,7 @@ impl T: iter::times {
     }
 }
 
-impl T: iter::timesi {
+impl T: iter::TimesIx {
     #[inline(always)]
     /// Like `times`, but with an index, `eachi`-style.
     fn timesi(it: fn(uint) -> bool) {
@@ -295,7 +295,7 @@ fn to_str_radix17() {
 
 #[test]
 fn test_times() {
-    import iter::times;
+    import iter::Times;
     let ten = 10 as T;
     let mut accum = 0;
     for ten.times { accum += 1; }
diff --git a/src/libcore/vec.rs b/src/libcore/vec.rs
index 6bd0e8c8cd2..e53cd1ddccf 100644
--- a/src/libcore/vec.rs
+++ b/src/libcore/vec.rs
@@ -86,21 +86,21 @@ export as_const_buf;
 export unsafe;
 export u8;
 export extensions;
-export const_vector;
-export copyable_vector;
-export immutable_vector;
-export immutable_copyable_vector;
-export iter_trait_extensions;
+export ConstVector;
+export CopyableVector;
+export ImmutableVector;
+export ImmutableCopyableVector;
+export IterTraitExtensions;
 export vec_concat;
 
 #[abi = "cdecl"]
 extern mod rustrt {
     fn vec_reserve_shared(++t: *sys::TypeDesc,
-                          ++v: **unsafe::vec_repr,
+                          ++v: **unsafe::VecRepr,
                           ++n: libc::size_t);
     fn vec_from_buf_shared(++t: *sys::TypeDesc,
                            ++ptr: *(),
-                           ++count: libc::size_t) -> *unsafe::vec_repr;
+                           ++count: libc::size_t) -> *unsafe::VecRepr;
 }
 
 #[abi = "rust-intrinsic"]
@@ -109,7 +109,7 @@ extern mod rusti {
 }
 
 /// A function used to initialize the elements of a vector
-type init_op/&<T> = fn(uint) -> T;
+type InitOp/&<T> = fn(uint) -> T;
 
 /// Returns true if a vector contains no elements
 pure fn is_empty<T>(v: &[const T]) -> bool {
@@ -140,7 +140,7 @@ pure fn same_length<T, U>(xs: &[const T], ys: &[const U]) -> bool {
 fn reserve<T>(&v: ~[const T], n: uint) {
     // Only make the (slow) call into the runtime if we have to
     if capacity(v) < n {
-        let ptr = ptr::addr_of(v) as **unsafe::vec_repr;
+        let ptr = ptr::addr_of(v) as **unsafe::VecRepr;
         rustrt::vec_reserve_shared(sys::get_type_desc::<T>(),
                                    ptr, n as size_t);
     }
@@ -169,7 +169,7 @@ fn reserve_at_least<T>(&v: ~[const T], n: uint) {
 #[inline(always)]
 pure fn capacity<T>(&&v: ~[const T]) -> uint {
     unsafe {
-        let repr: **unsafe::vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **unsafe::VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         (**repr).alloc / sys::size_of::<T>()
     }
 }
@@ -186,7 +186,7 @@ pure fn len<T>(&&v: &[const T]) -> uint {
  * Creates an immutable vector of size `n_elts` and initializes the elements
  * to the value returned by the function `op`.
  */
-pure fn from_fn<T>(n_elts: uint, op: init_op<T>) -> ~[T] {
+pure fn from_fn<T>(n_elts: uint, op: InitOp<T>) -> ~[T] {
     let mut v = ~[];
     unchecked{reserve(v, n_elts);}
     let mut i: uint = 0u;
@@ -523,7 +523,7 @@ fn pop<T>(&v: ~[const T]) -> T {
 #[inline(always)]
 fn push<T>(&v: ~[const T], +initval: T) {
     unsafe {
-        let repr: **unsafe::vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **unsafe::VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         let fill = (**repr).fill;
         if (**repr).alloc > fill {
             push_fast(v, initval);
@@ -537,7 +537,7 @@ fn push<T>(&v: ~[const T], +initval: T) {
 // This doesn't bother to make sure we have space.
 #[inline(always)] // really pretty please
 unsafe fn push_fast<T>(&v: ~[const T], +initval: T) {
-    let repr: **unsafe::vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+    let repr: **unsafe::VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
     let fill = (**repr).fill;
     (**repr).fill += sys::size_of::<T>();
     let p = ptr::addr_of((**repr).data);
@@ -640,7 +640,7 @@ fn grow<T: copy>(&v: ~[const T], n: uint, initval: T) {
  * * init_op - A function to call to retreive each appended element's
  *             value
  */
-fn grow_fn<T>(&v: ~[const T], n: uint, op: init_op<T>) {
+fn grow_fn<T>(&v: ~[const T], n: uint, op: InitOp<T>) {
     reserve_at_least(v, len(v) + n);
     let mut i: uint = 0u;
     while i < n { push(v, op(i)); i += 1u; }
@@ -1304,14 +1304,14 @@ impl<T: copy> ~[mut T]: add<&[const T],~[mut T]> {
     }
 }
 
-trait const_vector {
+trait ConstVector {
     pure fn is_empty() -> bool;
     pure fn is_not_empty() -> bool;
     pure fn len() -> uint;
 }
 
 /// Extension methods for vectors
-impl<T> &[const T]: const_vector {
+impl<T> &[const T]: ConstVector {
     /// Returns true if a vector contains no elements
     #[inline]
     pure fn is_empty() -> bool { is_empty(self) }
@@ -1323,7 +1323,7 @@ impl<T> &[const T]: const_vector {
     pure fn len() -> uint { len(self) }
 }
 
-trait copyable_vector<T> {
+trait CopyableVector<T> {
     pure fn head() -> T;
     pure fn init() -> ~[T];
     pure fn last() -> T;
@@ -1332,7 +1332,7 @@ trait copyable_vector<T> {
 }
 
 /// Extension methods for vectors
-impl<T: copy> &[const T]: copyable_vector<T> {
+impl<T: copy> &[const T]: CopyableVector<T> {
     /// Returns the first element of a vector
     #[inline]
     pure fn head() -> T { head(self) }
@@ -1350,7 +1350,7 @@ impl<T: copy> &[const T]: copyable_vector<T> {
     pure fn tail() -> ~[T] { tail(self) }
 }
 
-trait immutable_vector<T> {
+trait ImmutableVector<T> {
     pure fn foldr<U: copy>(z: U, p: fn(T, U) -> U) -> U;
     pure fn iter(f: fn(T));
     pure fn iteri(f: fn(uint, T));
@@ -1369,7 +1369,7 @@ trait immutable_vector<T> {
 }
 
 /// Extension methods for vectors
-impl<T> &[T]: immutable_vector<T> {
+impl<T> &[T]: ImmutableVector<T> {
     /// Reduce a vector from right to left
     #[inline]
     pure fn foldr<U: copy>(z: U, p: fn(T, U) -> U) -> U { foldr(self, z, p) }
@@ -1477,14 +1477,14 @@ impl<T> &[T]: immutable_vector<T> {
     }
 }
 
-trait immutable_copyable_vector<T> {
+trait ImmutableCopyableVector<T> {
     pure fn filter(f: fn(T) -> bool) -> ~[T];
     pure fn find(f: fn(T) -> bool) -> option<T>;
     pure fn rfind(f: fn(T) -> bool) -> option<T>;
 }
 
 /// Extension methods for vectors
-impl<T: copy> &[T]: immutable_copyable_vector<T> {
+impl<T: copy> &[T]: ImmutableCopyableVector<T> {
     /**
      * Construct a new vector from the elements of a vector for which some
      * predicate holds.
@@ -1518,14 +1518,14 @@ impl<T: copy> &[T]: immutable_copyable_vector<T> {
 mod unsafe {
     // FIXME: This should have crate visibility (#1893 blocks that)
     /// The internal representation of a vector
-    type vec_repr = {
+    type VecRepr = {
         box_header: (uint, uint, uint, uint),
         mut fill: uint,
         mut alloc: uint,
         data: u8
     };
 
-    type slice_repr = {
+    type SliceRepr = {
         mut data: *u8,
         mut len: uint
     };
@@ -1555,7 +1555,7 @@ mod unsafe {
      */
     #[inline(always)]
     unsafe fn set_len<T>(&&v: ~[const T], new_len: uint) {
-        let repr: **vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         (**repr).fill = new_len * sys::size_of::<T>();
     }
 
@@ -1570,14 +1570,14 @@ mod unsafe {
      */
     #[inline(always)]
     unsafe fn to_ptr<T>(v: ~[const T]) -> *T {
-        let repr: **vec_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **VecRepr = ::unsafe::reinterpret_cast(addr_of(v));
         return ::unsafe::reinterpret_cast(addr_of((**repr).data));
     }
 
 
     #[inline(always)]
     unsafe fn to_ptr_slice<T>(v: &[const T]) -> *T {
-        let repr: **slice_repr = ::unsafe::reinterpret_cast(addr_of(v));
+        let repr: **SliceRepr = ::unsafe::reinterpret_cast(addr_of(v));
         return ::unsafe::reinterpret_cast(addr_of((**repr).data));
     }
 
@@ -1729,12 +1729,12 @@ mod u8 {
 // This cannot be used with iter-trait.rs because of the region pointer
 // required in the slice.
 
-impl<A> &[A]: iter::base_iter<A> {
+impl<A> &[A]: iter::BaseIter<A> {
     fn each(blk: fn(A) -> bool) { each(self, blk) }
     fn size_hint() -> option<uint> { some(len(self)) }
 }
 
-impl<A> &[A]: iter::extended_iter<A> {
+impl<A> &[A]: iter::ExtendedIter<A> {
     fn eachi(blk: fn(uint, A) -> bool) { iter::eachi(self, blk) }
     fn all(blk: fn(A) -> bool) -> bool { iter::all(self, blk) }
     fn any(blk: fn(A) -> bool) -> bool { iter::any(self, blk) }
@@ -1746,7 +1746,7 @@ impl<A> &[A]: iter::extended_iter<A> {
     fn position(f: fn(A) -> bool) -> option<uint> { iter::position(self, f) }
 }
 
-trait iter_trait_extensions<A> {
+trait IterTraitExtensions<A> {
     fn filter_to_vec(pred: fn(A) -> bool) -> ~[A];
     fn map_to_vec<B>(op: fn(A) -> B) -> ~[B];
     fn to_vec() -> ~[A];
@@ -1754,7 +1754,7 @@ trait iter_trait_extensions<A> {
     fn max() -> A;
 }
 
-impl<A: copy> &[A]: iter_trait_extensions<A> {
+impl<A: copy> &[A]: IterTraitExtensions<A> {
     fn filter_to_vec(pred: fn(A) -> bool) -> ~[A] {
         iter::filter_to_vec(self, pred)
     }