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binary.go
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binary.go
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package marshaller
import (
"bytes"
"encoding/gob"
"fmt"
)
// BinaryMarshaller uses gob encoding for marshaling.
type BinaryMarshaller struct{}
// NewBinaryMarshaller initializes and returns a new BinaryMarshaller.
func NewBinaryMarshaller() *BinaryMarshaller {
return &BinaryMarshaller{}
}
// Marshal converts the given object into a gob-encoded byte slice.
func (BinaryMarshaller) Marshal(obj interface{}) ([]byte, error) {
var b bytes.Buffer
e := gob.NewEncoder(&b)
if err := e.Encode(obj); err != nil {
return nil, fmt.Errorf("gob encode: %w", err)
}
return b.Bytes(), nil
}
// Unmarshal decodes gob data into the given object.
func (BinaryMarshaller) Unmarshal(data []byte, obj interface{}) error {
b := bytes.NewBuffer(data)
d := gob.NewDecoder(b)
if err := d.Decode(obj); err != nil {
return fmt.Errorf("gob decode: %w", err)
}
normalizeIfApplicable(obj)
return nil
}
// compile-time check that BinaryMarshaller implements Marshaller
var _ Marshaller = BinaryMarshaller{}