You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: sql.go
    path of file: ./repos/kubernetes/vendor/github.com/google/uuid
    
    the code of the file until where you have to start completion: // 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 (
	"database/sql/driver"
	"fmt"
)

// Scan implements sql.Scanner so UUIDs can be read from databases transparently.
// Currently, database types that map to string and []byte are supported. Please
// consult database-specific driver documentation for matching types.
func (uuid *UUID) Scan(src interface{}) error {
	switch src := src.(type) {
	case nil:
		return nil

	case string:
		// if an empty UUID comes from a table, we return a null UUID
		if src == "
    
func (uuid *UUID) Scan(src interface{}) error {
	switch src := src.(type) {
	case nil:
		return nil

	case string:
		// if an empty UUID comes from a table, we return a null UUID
		if src == "" {
			return nil
		}

		// see Parse for required string format
		u, err := Parse(src)
		if err != nil {
			return fmt.Errorf("Scan: %v", err)
		}

		*uuid = u

	case []byte:
		// if an empty UUID comes from a table, we return a null UUID
		if len(src) == 0 {
			return nil
		}

		// assumes a simple slice of bytes if 16 bytes
		// otherwise attempts to parse
		if len(src) != 16 {
			return uuid.Scan(string(src))
		}
		copy((*uuid)[:], src)

	default:
		return fmt.Errorf("Scan: unable to scan type %T into UUID", src)
	}

	return nil
}