FraticApparatus是用Swift实现的Promises/A+。
示例:
fuc fetchLiks(reddit: Strig) -> Promise<[Lik]> { let url = NSURL(strig: baseURL + "/r/" + reddit + ".jso") retur fetchJSON(url).whe({ (data: NSData) -> Result<NSDictioary> i retur .Deferred(parseJSON(data)) }).whe({ (jso: NSDictioary) -> Result<[Lik]> i retur .Deferred(mapLiks(jso)) })}









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