// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

package couchdb

import "bytes"

// sequenceID is a CouchDB update sequence ID. This is just a string, but has
// a special JSON unmarshaler to work with both CouchDB 2.0.0 (which uses
// normal) strings for sequence IDs, and earlier versions (which use integers)
type sequenceID string

// UnmarshalJSON satisfies the json.Unmarshaler interface.
func (id *sequenceID) UnmarshalJSON(data []byte) error {
	sid := sequenceID(bytes.Trim(data, `""`))
	*id = sid
	return nil
}