Source file src/github.com/google/uuid/marshal.go

Documentation: github.com/google/uuid

     1  // Copyright 2016 Google Inc.  All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package uuid
     6  
     7  import "fmt"
     8  
     9  // MarshalText implements encoding.TextMarshaler.
    10  func (uuid UUID) MarshalText() ([]byte, error) {
    11  	var js [36]byte
    12  	encodeHex(js[:], uuid)
    13  	return js[:], nil
    14  }
    15  
    16  // UnmarshalText implements encoding.TextUnmarshaler.
    17  func (uuid *UUID) UnmarshalText(data []byte) error {
    18  	id, err := ParseBytes(data)
    19  	if err != nil {
    20  		return err
    21  	}
    22  	*uuid = id
    23  	return nil
    24  }
    25  
    26  // MarshalBinary implements encoding.BinaryMarshaler.
    27  func (uuid UUID) MarshalBinary() ([]byte, error) {
    28  	return uuid[:], nil
    29  }
    30  
    31  // UnmarshalBinary implements encoding.BinaryUnmarshaler.
    32  func (uuid *UUID) UnmarshalBinary(data []byte) error {
    33  	if len(data) != 16 {
    34  		return fmt.Errorf("invalid UUID (got %d bytes)", len(data))
    35  	}
    36  	copy(uuid[:], data)
    37  	return nil
    38  }
    39  

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