// After a call to Hijack, the original Request.Body must not
	// be used. The original Request's Context remains valid and
	// is not canceled until the Request's ServeHTTP method
	// returns.
	Hijack() (net.Conn, *bufio.ReadWriter, error)
}

// The CloseNotifier interface is implemented by ResponseWriters which
// allow detecting when the underlying connection has gone away.
//

	}

	for i, v := range ret {
		if v.CanAddr() {
			t.Errorf("result %d is addressable", i)
		}
	}
}

func TestCallConvert(t *testing.T) {
	v := ValueOf(new(io.ReadWriter)).Elem()
	f := ValueOf(func(r io.Reader) io.Reader { return r })
	out := f.Call([]Value{v})
	if len(out) != 1 || out[0].Type() != TypeOf(new(io.Reader)).Elem() || !out[0].IsNil() {

		fl := v.flag&(flagAddr|flagIndir) | v.flag.ro()
		fl |= flag(dst.Kind())
		return Value{dst, v.ptr, fl}

	case implements(dst, v.typ()):
		if v.Kind() == Interface && v.IsNil() {
			// A nil ReadWriter passed to nil Reader is OK,
			// but using ifaceE2I below will panic.
			// Avoid the panic by returning a nil dst (e.g., Reader) explicitly.
			return Value{dst, nil, flag(Interface)}
		}

		w.WriteHeader(StatusSwitchingProtocols)
		c, buf, err := w.(Hijacker).Hijack()
		if err != nil {
			return
		}
		defer c.Close()

		// Copy from the *bufio.ReadWriter, which may contain buffered data.
		// Copy to the net.Conn, to avoid buffering the output.
		io.Copy(c, buf)
	}), func(ts *httptest.Server) {
		ts.Config.SetKeepAlivesEnabled(false)
	}).ts

	Close() error
}

type Writer interface {
	Write(p []byte) (n int, err error)
	Close() error
}

// ReadWriter's methods are Read, Write, and Close.
type ReadWriter interface {
	Reader  // includes methods of Reader in ReadWriter's method set
	Writer  // includes methods of Writer in ReadWriter's method set
}
</pre>

<p>