6 files changed, 25 insertions, 19 deletions
diff --git a/src/libstd/comm.rs b/src/libstd/comm.rs
index f0c353c8d62..bcdd6cd0bfa 100644
--- a/src/libstd/comm.rs
+++ b/src/libstd/comm.rs
@@ -209,7 +209,7 @@ impl<T: Owned> Peekable<T> for PortSet<T> {
     fn peek(&self) -> bool {
         // It'd be nice to use self.port.each, but that version isn't
         // pure.
-        for uint::range(0, vec::uniq_len(&const self.ports)) |i| {
+        for uint::range(0, self.ports.len()) |i| {
             let port: &pipesy::Port<T> = &self.ports[i];
             if port.peek() {
                 return true;
diff --git a/src/libstd/container.rs b/src/libstd/container.rs
index 065582e2e0d..c1b656f1cd9 100644
--- a/src/libstd/container.rs
+++ b/src/libstd/container.rs
@@ -16,10 +16,10 @@ use option::Option;
 /// knowledge known is the number of elements contained within.
 pub trait Container {
     /// Return the number of elements in the container
-    fn len(&const self) -> uint;
+    fn len(&self) -> uint;
 
     /// Return true if the container contains no elements
-    fn is_empty(&const self) -> bool;
+    fn is_empty(&self) -> bool;
 }
 
 /// A trait to represent mutable containers
diff --git a/src/libstd/io.rs b/src/libstd/io.rs
index 6f065d74fa2..d3faa75e3b0 100644
--- a/src/libstd/io.rs
+++ b/src/libstd/io.rs
@@ -1667,7 +1667,7 @@ impl Writer for BytesWriter {
 
     fn seek(&self, offset: int, whence: SeekStyle) {
         let pos = *self.pos;
-        let len = vec::uniq_len(&const *self.bytes);
+        let len = self.bytes.len();
         *self.pos = seek_in_buf(offset, pos, len, whence);
     }
 
diff --git a/src/libstd/repr.rs b/src/libstd/repr.rs
index 46f69d020d1..b7ff1acea13 100644
--- a/src/libstd/repr.rs
+++ b/src/libstd/repr.rs
@@ -18,6 +18,7 @@ More runtime type reflection
 
 use cast::transmute;
 use char;
+use container::Container;
 use intrinsic;
 use intrinsic::{TyDesc, TyVisitor, visit_tydesc};
 use intrinsic::Opaque;
@@ -502,7 +503,7 @@ impl TyVisitor for ReprVisitor {
                                 _offset: uint,
                                 inner: *TyDesc)
                                 -> bool {
-        match self.var_stk[vec::uniq_len(&const *self.var_stk) - 1] {
+        match self.var_stk[self.var_stk.len() - 1] {
             Matched => {
                 if i != 0 {
                     self.writer.write_str(", ");
@@ -520,7 +521,7 @@ impl TyVisitor for ReprVisitor {
                                 _disr_val: int,
                                 n_fields: uint,
                                 _name: &str) -> bool {
-        match self.var_stk[vec::uniq_len(&const *self.var_stk) - 1] {
+        match self.var_stk[self.var_stk.len() - 1] {
             Matched => {
                 if n_fields > 0 {
                     self.writer.write_char(')');
diff --git a/src/libstd/rt/io/extensions.rs b/src/libstd/rt/io/extensions.rs
index 727ab13a4f6..a5e68bcdac4 100644
--- a/src/libstd/rt/io/extensions.rs
+++ b/src/libstd/rt/io/extensions.rs
@@ -297,7 +297,8 @@ impl<T: Reader> ReaderUtil for T {
 
             do (|| {
                 while total_read < len {
-                    let slice = vec::mut_slice(*buf, start_len + total_read, buf.len());
+                    let len = buf.len();
+                    let slice = vec::mut_slice(*buf, start_len + total_read, len);
                     match self.read(slice) {
                         Some(nread) => {
                             total_read += nread;
diff --git a/src/libstd/vec.rs b/src/libstd/vec.rs
index 211ee12c291..44f3fc4c321 100644
--- a/src/libstd/vec.rs
+++ b/src/libstd/vec.rs
@@ -118,15 +118,6 @@ pub fn capacity<T>(v: &const ~[T]) -> uint {
     }
 }
 
-// A botch to tide us over until core and std are fully demuted.
-#[allow(missing_doc)]
-pub fn uniq_len<T>(v: &const ~[T]) -> uint {
-    unsafe {
-        let v: &~[T] = transmute(v);
-        as_const_buf(*v, |_p, len| len)
-    }
-}
-
 /**
  * Creates and initializes an owned vector.
  *
@@ -1767,19 +1758,32 @@ pub mod traits {
     }
 }
 
-impl<'self,T> Container for &'self const [T] {
+impl<'self, T> Container for &'self const [T] {
     /// Returns true if a vector contains no elements
     #[inline]
-    fn is_empty(&const self) -> bool {
+    fn is_empty(&self) -> bool {
         as_const_buf(*self, |_p, len| len == 0u)
     }
 
     /// Returns the length of a vector
     #[inline]
-    fn len(&const self) -> uint {
+    fn len(&self) -> uint {
         as_const_buf(*self, |_p, len| len)
     }
+}
 
+impl<T> Container for ~[T] {
+    /// Returns true if a vector contains no elements
+    #[inline]
+    fn is_empty(&self) -> bool {
+        as_const_buf(*self, |_p, len| len == 0u)
+    }
+
+    /// Returns the length of a vector
+    #[inline]
+    fn len(&self) -> uint {
+        as_const_buf(*self, |_p, len| len)
+    }
 }
 
 #[allow(missing_doc)]