enumCaseIterable.swift

public enum FilterType: String, BaseSelectionType, CaseIterable {
    case colorDocument
    case blackAndWhite
    case colorPhoto
    case greyscale
    
    var getDisplayText: String {
        switch self {
        case .colorDocument:
            return Localizable.filterColorDocument
        case .blackAndWhite:
            return Localizable.filterBlackAndWhite
        case .colorPhoto:
            return Localizable.filterColorPhoto
        case .greyscale:
            return Localizable.filterGreyscale
        }
    }
}

//CaseIterable - allCases example
let filterNames: [String] = FilterType.allCases.map({ (type) -> String in
    return type.getDisplayText
})