Created
June 2, 2012 08:54
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| def requestAccToken(code:String): Option[String] = if(code=="bad") None else Some("token") | |
| def requestOpenId(token:String): Option[String] = Some("openId") | |
| def requestUserInfo(openId:String): Option[String] = Some("notyy's account") | |
| def getUser(code:String):Option[String] = requestAccToken(code) flatMap(requestOpenId) flatMap(requestUserInfo) |
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