SyncThingsService.swift

class ThingsService {
    func getThings() -> Result<[Thing]> {
        do {
            let response = try sendHttpRequestSynchronously(url)
            let data = try getData(from: response)
            let things = try doParsing(data)
            return .success(things)
        } catch error {
            return .failure(error)
        }
    }
}