switch to go vendoring

vendor/github.com/shamaton/msgpack/v2/internal/encoding/byte.go

@@ -0,0 +1,41 @@
+package encoding
+
+import (
+	"fmt"
+	"math"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+var typeByte = reflect.TypeOf(byte(0))
+
+func (e *encoder) isByteSlice(rv reflect.Value) bool {
+	return rv.Type().Elem() == typeByte
+}
+
+func (e *encoder) calcByteSlice(l int) (int, error) {
+	if l <= math.MaxUint8 {
+		return def.Byte1 + l, nil
+	} else if l <= math.MaxUint16 {
+		return def.Byte2 + l, nil
+	} else if uint(l) <= math.MaxUint32 {
+		return def.Byte4 + l, nil
+	}
+	// not supported error
+	return 0, fmt.Errorf("not support this array length : %d", l)
+}
+
+func (e *encoder) writeByteSliceLength(l int, offset int) int {
+	if l <= math.MaxUint8 {
+		offset = e.setByte1Int(def.Bin8, offset)
+		offset = e.setByte1Int(l, offset)
+	} else if l <= math.MaxUint16 {
+		offset = e.setByte1Int(def.Bin16, offset)
+		offset = e.setByte2Int(l, offset)
+	} else if uint(l) <= math.MaxUint32 {
+		offset = e.setByte1Int(def.Bin32, offset)
+		offset = e.setByte4Int(l, offset)
+	}
+	return offset
+}