Created
July 15, 2017 02:28
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swift4 `final` 扱い
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| // > Updated the discussion of protocol extensions in Extension Declaration now that final isn’t allowed in them. | |
| // https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/RevisionHistory.html | |
| // https://web.archive.org/web/20170221062722/https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/Declarations.html | |
| // https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/Declarations.html#//apple_ref/doc/uid/TP40014097-CH34-ID378 | |
| class A {} | |
| extension A { | |
| final func f() {} | |
| } | |
| A().f() |
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