Created
July 12, 2016 05:50
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| class Entity {} | |
| struct Token { | |
| let entity = Entity() | |
| } | |
| func asyncProcess() -> Token { | |
| let token = Token() | |
| weak var entity = token.entity | |
| dispatch_async(dispatch_get_main_queue) { | |
| // 重くてキャンセルできない処理 | |
| if entity != nil { | |
| // 反映処理 | |
| } | |
| } | |
| return token | |
| } |
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