optimize(helper): writer decl.

helper/writer.go

@@ -5,7 +5,6 @@ package helper
 import (
 	"bytes"
 	"encoding/binary"
-	"encoding/hex"
 
 	"github.com/fumiama/orbyte"
 	"github.com/fumiama/orbyte/pbuf"
@@ -17,20 +16,23 @@ type Writer orbyte.Item[bytes.Buffer]
 func NewWriterF(f func(writer *Writer)) pbuf.Bytes {
 	w := SelectWriter()
 	f(w)
-	return pbuf.BufferItemToBytes((*orbyte.Item[bytes.Buffer])(w).Trans())
+	return w.TransBytes()
+}
+
+func (w *Writer) p() *orbyte.Item[bytes.Buffer] {
+	return (*orbyte.Item[bytes.Buffer])(w)
+}
+
+func (w *Writer) pp() *bytes.Buffer {
+	return w.p().Pointer()
 }
 
 func (w *Writer) Write(b []byte) (n int, err error) {
-	return (*orbyte.Item[bytes.Buffer])(w).Pointer().Write(b)
-}
-
-func (w *Writer) WriteHex(h string) {
-	b, _ := hex.DecodeString(h)
-	w.Write(b)
+	return w.pp().Write(b)
 }
 
 func (w *Writer) WriteByte(b byte) error {
-	return (*orbyte.Item[bytes.Buffer])(w).Pointer().WriteByte(b)
+	return w.pp().WriteByte(b)
 }
 
 func (w *Writer) WriteUInt16(v uint16) {
@@ -53,25 +55,29 @@ func (w *Writer) WriteUInt64(v uint64) {
 
 func (w *Writer) WriteString(v string) {
 	//w.WriteUInt32(uint32(len(v) + 4))
-	(*orbyte.Item[bytes.Buffer])(w).Pointer().WriteString(v)
+	w.pp().WriteString(v)
 }
 
 func (w *Writer) Len() int {
-	return (*orbyte.Item[bytes.Buffer])(w).Pointer().Len()
+	return w.pp().Len()
 }
 
 func (w *Writer) UnsafeBytes() []byte {
-	return (*orbyte.Item[bytes.Buffer])(w).Pointer().Bytes()
+	return w.pp().Bytes()
 }
 
-func (w *Writer) TransBytes() []byte {
-	return (*orbyte.Item[bytes.Buffer])(w).Trans().Pointer().Bytes()
+func (w *Writer) TransUnderlyingBytes() []byte {
+	return w.p().Trans().Pointer().Bytes()
+}
+
+func (w *Writer) TransBytes() pbuf.Bytes {
+	return pbuf.BufferItemToBytes(w.p().Trans())
 }
 
 func (w *Writer) Reset() {
-	(*orbyte.Item[bytes.Buffer])(w).Pointer().Reset()
+	w.pp().Reset()
 }
 
 func (w *Writer) Grow(n int) {
-	(*orbyte.Item[bytes.Buffer])(w).Pointer().Grow(n)
+	w.pp().Grow(n)
 }