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• marshal.go

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vendor.github.com.google.uuid.marshal.go Maven / Gradle / Ivy

// Copyright 2016 Google Inc.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package uuid

import "fmt"

// MarshalText implements encoding.TextMarshaler.
func (uuid UUID) MarshalText() ([]byte, error) {
	var js [36]byte
	encodeHex(js[:], uuid)
	return js[:], nil
}

// UnmarshalText implements encoding.TextUnmarshaler.
func (uuid *UUID) UnmarshalText(data []byte) error {
	id, err := ParseBytes(data)
	if err != nil {
		return err
	}
	*uuid = id
	return nil
}

// MarshalBinary implements encoding.BinaryMarshaler.
func (uuid UUID) MarshalBinary() ([]byte, error) {
	return uuid[:], nil
}

// UnmarshalBinary implements encoding.BinaryUnmarshaler.
func (uuid *UUID) UnmarshalBinary(data []byte) error {
	if len(data) != 16 {
		return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
	}
	copy(uuid[:], data)
	return nil
}