#[stable(feature = "rust1", since = "1.0.0")]
impl<'a, R: Read + ?Sized> Read for &'a mut R {
+ #[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+
+ #[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
(**self).read_to_end(buf)
}
+
+ #[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a, W: Write + ?Sized> Write for &'a mut W {
+ #[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+
+ #[inline]
fn flush(&mut self) -> io::Result<()> { (**self).flush() }
+
+ #[inline]
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
(**self).write_all(buf)
}
+
+ #[inline]
fn write_fmt(&mut self, fmt: fmt::Arguments) -> io::Result<()> {
(**self).write_fmt(fmt)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a, S: Seek + ?Sized> Seek for &'a mut S {
+ #[inline]
fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> { (**self).seek(pos) }
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a, B: BufRead + ?Sized> BufRead for &'a mut B {
+ #[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
+
+ #[inline]
fn consume(&mut self, amt: usize) { (**self).consume(amt) }
+
+ #[inline]
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
(**self).read_until(byte, buf)
}
+
+ #[inline]
fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_line(buf)
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<R: Read + ?Sized> Read for Box<R> {
+ #[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
(**self).read(buf)
}
+
+ #[inline]
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> io::Result<usize> {
(**self).read_to_end(buf)
}
+
+ #[inline]
fn read_to_string(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_to_string(buf)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<W: Write + ?Sized> Write for Box<W> {
+ #[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> { (**self).write(buf) }
+
+ #[inline]
fn flush(&mut self) -> io::Result<()> { (**self).flush() }
+
+ #[inline]
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
(**self).write_all(buf)
}
+
+ #[inline]
fn write_fmt(&mut self, fmt: fmt::Arguments) -> io::Result<()> {
(**self).write_fmt(fmt)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<S: Seek + ?Sized> Seek for Box<S> {
+ #[inline]
fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> { (**self).seek(pos) }
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<B: BufRead + ?Sized> BufRead for Box<B> {
+ #[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { (**self).fill_buf() }
+
+ #[inline]
fn consume(&mut self, amt: usize) { (**self).consume(amt) }
+
+ #[inline]
fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
(**self).read_until(byte, buf)
}
+
+ #[inline]
fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
(**self).read_line(buf)
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a> Read for &'a [u8] {
+ #[inline]
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
let amt = cmp::min(buf.len(), self.len());
let (a, b) = self.split_at(amt);
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a> BufRead for &'a [u8] {
+ #[inline]
fn fill_buf(&mut self) -> io::Result<&[u8]> { Ok(*self) }
+
+ #[inline]
fn consume(&mut self, amt: usize) { *self = &self[amt..]; }
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a> Write for &'a mut [u8] {
+ #[inline]
fn write(&mut self, data: &[u8]) -> io::Result<usize> {
let amt = cmp::min(data.len(), self.len());
let (a, b) = mem::replace(self, &mut []).split_at_mut(amt);
Ok(amt)
}
+ #[inline]
fn write_all(&mut self, data: &[u8]) -> io::Result<()> {
if try!(self.write(data)) == data.len() {
Ok(())
}
}
+ #[inline]
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
#[stable(feature = "rust1", since = "1.0.0")]
impl Write for Vec<u8> {
+ #[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.push_all(buf);
Ok(buf.len())
}
+ #[inline]
fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
self.push_all(buf);
Ok(())
}
+ #[inline]
fn flush(&mut self) -> io::Result<()> { Ok(()) }
}
+
+#[cfg(test)]
+mod tests {
+ use io::prelude::*;
+ use vec::Vec;
+ use test;
+
+ #[bench]
+ fn bench_read_slice(b: &mut test::Bencher) {
+ let buf = [5; 1024];
+ let mut dst = [0; 128];
+
+ b.iter(|| {
+ let mut rd = &buf[..];
+ for _ in (0 .. 8) {
+ let _ = rd.read(&mut dst);
+ test::black_box(&dst);
+ }
+ })
+ }
+
+ #[bench]
+ fn bench_write_slice(b: &mut test::Bencher) {
+ let mut buf = [0; 1024];
+ let src = [5; 128];
+
+ b.iter(|| {
+ let mut wr = &mut buf[..];
+ for _ in (0 .. 8) {
+ let _ = wr.write_all(&src);
+ test::black_box(&wr);
+ }
+ })
+ }
+
+ #[bench]
+ fn bench_read_vec(b: &mut test::Bencher) {
+ let buf = vec![5; 1024];
+ let mut dst = [0; 128];
+
+ b.iter(|| {
+ let mut rd = &buf[..];
+ for _ in (0 .. 8) {
+ let _ = rd.read(&mut dst);
+ test::black_box(&dst);
+ }
+ })
+ }
+
+ #[bench]
+ fn bench_write_vec(b: &mut test::Bencher) {
+ let mut buf = Vec::with_capacity(1024);
+ let src = [5; 128];
+
+ b.iter(|| {
+ let mut wr = &mut buf[..];
+ for _ in (0 .. 8) {
+ let _ = wr.write_all(&src);
+ test::black_box(&wr);
+ }
+ })
+ }
+}