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Swiftの型の限界を超える

Last updated at Posted at 2017-01-14

これはSwift Tweetsの発表をまとめたものです。イベントのスポンサーとして Qiita に許可をいただいた上で、このような形(ツイートの引用)で投稿しています。

追記(2017-04-16)

共変性と反変性に関してかなり強力なWorkaroundが出来上がったので追記です。
3. Generics(associatedtype)のサブタイプを指定したいについて、これでおおよそ解決出来るはず。
https://github.com/tarunon/Covariancable

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