Created
February 24, 2023 10:12
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@lococo85327937 そしてそんな総称プロトコル？を型として扱えるのだからそれを「総称型」と呼んでも良いよね⋯Swift 5.8 から P<Element> とも書けるし — みたいに解釈すれば辿りつくものの、些か強引な感じがするのでたぶん間違えました。 #CodePiece
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| protocol P<Element> { | |
| associatedtype Element | |
| var first: Element? { get } | |
| } | |
| extension Array : P { | |
| } | |
| let x: any P<Int> = [1, 2] |
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