message: perf(http): use custom type for ParseEof error instead of string error
diff: @@ -72,7 +72,8 @@ impl<T: AsyncRead + AsyncWrite> Buffered<T> {
  match self.read_from_io() {
  Ok(0) => {
  trace!("parse eof");
  - return Err(io::Error::new(io::ErrorKind::UnexpectedEof, "parse eof").into());
  + //TODO: With Rust 1.14, this can be Error::from(ErrorKind)
  + return Err(io::Error::new(io::ErrorKind::UnexpectedEof, ParseEof).into());
  }
  Ok(_) => {},
  Err(e) => match e.kind() {
  @@ -316,6 +317,21 @@ impl WriteBuf {
  }
  }
  +#[derive(Debug)]
  +struct ParseEof;
  +
  +impl fmt::Display for ParseEof {
  + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
  + f.write_str("parse eof")
  + }
  +}
  +
  +impl ::std::error::Error for ParseEof {
  + fn description(&self) -> &str {
  + "parse eof"
  + }
  +}
  +
  #[cfg(test)]
  use std::io::Read;
  