func ExampleReadFromStream() {
s := capn.NewBuffer(nil)
d := air.NewRootZdate(s)
d.SetYear(2004)
d.SetMonth(12)
d.SetDay(7)
buf := bytes.Buffer{}
s.WriteTo(&buf)
fmt.Println(hex.EncodeToString(buf.Bytes()))
// Read
s, err := capn.ReadFromStream(&buf, nil)
if err != nil {
fmt.Printf("read error %v\n", err)
return
}
d = air.ReadRootZdate(s)
fmt.Printf("year %d, month %d, day %d\n", d.Year(), d.Month(), d.Day())
}
// actually return n segments back-to-back.
// WriteTo will automatically add the stream header word with message length.
//
func zdateReaderNBackToBack(n int, packed bool) *bytes.Reader {
buf := bytes.Buffer{}
for i := 0; i < n; i++ {
seg := capn.NewBuffer(nil)
d := air.NewRootZdate(seg)
d.SetMonth(12)
d.SetDay(7)
d.SetYear(int16(2004 + i))
if packed {
seg.WriteToPacked(&buf)
} else {
seg.WriteTo(&buf)
}
}
return bytes.NewReader(buf.Bytes())
}