Create ByteBuf with MutByteBuf::with_capacity

src/buf/byte.rs

@@ -22,16 +22,11 @@ pub struct ByteBuf {
 impl ByteBuf {
     /// Create a new `ByteBuf` by copying the contents of the given slice.
     pub fn from_slice(bytes: &[u8]) -> ByteBuf {
-        let mut buf = ByteBuf::mut_with_capacity(bytes.len());
+        let mut buf = MutByteBuf::with_capacity(bytes.len());
         buf.write_slice(bytes);
         buf.flip()
     }
 
-    pub fn mut_with_capacity(capacity: usize) -> MutByteBuf {
-        assert!(capacity <= MAX_CAPACITY);
-        MutByteBuf { buf: ByteBuf::new(capacity as u32) }
-    }
-
     pub unsafe fn from_mem_ref(mem: alloc::MemRef, cap: u32, pos: u32, lim: u32) -> ByteBuf {
         debug_assert!(pos <= lim && lim <= cap, "invalid arguments; cap={}; pos={}; lim={}", cap, pos, lim);
 
@@ -180,6 +175,11 @@ pub struct MutByteBuf {
 }
 
 impl MutByteBuf {
+    pub fn with_capacity(capacity: usize) -> MutByteBuf {
+        assert!(capacity <= MAX_CAPACITY);
+        MutByteBuf { buf: ByteBuf::new(capacity as u32) }
+    }
+
     pub fn capacity(&self) -> usize {
         self.buf.capacity() as usize
     }

src/bytes/rope.rs

@@ -1,4 +1,4 @@
-use {Bytes, ByteBuf};
+use {Bytes, MutByteBuf};
 use buf::{Buf, MutBuf, Source};
 use bytes::seq::Seq;
 use bytes::small::{Small};
@@ -351,7 +351,7 @@ impl ops::Index<usize> for Node {
 fn concat_bytes<S1, S2>(left: S1, right: S2, len: usize) -> Bytes
     where S1: Source, S2: Source,
 {
-    let mut buf = ByteBuf::mut_with_capacity(len);
+    let mut buf = MutByteBuf::with_capacity(len);
 
     buf.copy_from(left);
     buf.copy_from(right);

src/bytes/seq.rs

@@ -1,6 +1,6 @@
 //! Immutable set of bytes sequential in memory.
 
-use {alloc, ByteBuf, MutBuf};
+use {alloc, MutByteBuf, MutBuf};
 use bytes::{Bytes};
 use std::ops;
 use std::io::Cursor;
@@ -13,7 +13,7 @@ pub struct Seq {
 
 impl Seq {
     pub fn from_slice(bytes: &[u8]) -> Bytes {
-        let mut buf = ByteBuf::mut_with_capacity(bytes.len());
+        let mut buf = MutByteBuf::with_capacity(bytes.len());
 
         buf.copy_from(bytes);
         buf.flip().into()