diff --git a/src/libcore/str.rs b/src/libcore/str.rs
index 227635944dd5..e8a88f3bc1b9 100644
--- a/src/libcore/str.rs
+++ b/src/libcore/str.rs
@@ -349,7 +349,7 @@ pub fn unshift_char(s: &mut ~str, ch: char) {
 #[inline(always)]
 pub pure fn byte_slice<T>(s: &str, f: fn(v: &[u8]) -> T) -> T {
     do as_buf(s) |p,n| {
-        unsafe { vec::raw::form_slice(p, n-1u, f) }
+        unsafe { vec::raw::buf_as_slice(p, n-1u, f) }
     }
 }
 
diff --git a/src/libcore/uint-template.rs b/src/libcore/uint-template.rs
index eb58d17c5f11..7d0421c07301 100644
--- a/src/libcore/uint-template.rs
+++ b/src/libcore/uint-template.rs
@@ -226,8 +226,7 @@ fn digit(n: T) -> u8 {
                 *ptr::mut_offset(mp, i) = '-' as u8;
             }
 
-            vec::raw::form_slice(ptr::offset(p, i),
-                                 len - i, f)
+            vec::raw::buf_as_slice(ptr::offset(p, i), len - i, f)
         }
     }
 }
diff --git a/src/libcore/vec.rs b/src/libcore/vec.rs
index 3fdf97cf3501..ce82215a87c8 100644
--- a/src/libcore/vec.rs
+++ b/src/libcore/vec.rs
@@ -1741,8 +1741,9 @@ pub unsafe fn to_mut_ptr<T>(+v: &[mut T]) -> *mut T {
      * not bytes).
      */
     #[inline(always)]
-    pub unsafe fn form_slice<T,U>(p: *T, len: uint,
-                                  f: fn(v: &[T]) -> U) -> U {
+    pub unsafe fn buf_as_slice<T,U>(p: *T,
+                                    len: uint,
+                                    f: fn(v: &[T]) -> U) -> U {
         let pair = (p, len * sys::size_of::<T>());
         let v : *(&blk/[T]) =
             ::cast::reinterpret_cast(&addr_of(&pair));
diff --git a/src/rustc/metadata/loader.rs b/src/rustc/metadata/loader.rs
index 2ccaccf17a59..0a8354be71f7 100644
--- a/src/rustc/metadata/loader.rs
+++ b/src/rustc/metadata/loader.rs
@@ -193,7 +193,7 @@ fn get_metadata_section(os: os,
                        vlen);
                 let minsz = uint::min(vlen, csz);
                 let mut version_ok = false;
-                do vec::raw::form_slice(cvbuf, minsz) |buf0| {
+                do vec::raw::buf_as_slice(cvbuf, minsz) |buf0| {
                     version_ok = (buf0 ==
                                   encoder::metadata_encoding_version);
                 }
@@ -202,7 +202,7 @@ fn get_metadata_section(os: os,
                 let cvbuf1 = ptr::offset(cvbuf, vlen);
                 debug!("inflating %u bytes of compressed metadata",
                        csz - vlen);
-                do vec::raw::form_slice(cvbuf1, csz-vlen) |bytes| {
+                do vec::raw::buf_as_slice(cvbuf1, csz-vlen) |bytes| {
                     let inflated = flate::inflate_bytes(bytes);
                     found = move Some(@(move inflated));
                 }