2 // MapAreaTransformaer.swift
5 // Created by Hori,Masaki on 2017/01/05.
6 // Copyright © 2017年 Hori,Masaki. All rights reserved.
11 final class MapAreaTransformaer: ValueTransformer {
13 override class func transformedValueClass() -> AnyClass {
18 override func transformedValue(_ value: Any?) -> Any? {
20 guard let v = value as? String, let areaId = Int(v) else { return nil }
22 return areaId > 10 ? "E" : "\(areaId)"