iOS NSNumberのサンプル(Swift3)
汎用的な数値のラッパクラスです。
Int, Float, Double, Bool型へ変換可能で、as演算子によるアップキャストが可能となっています。
NSValue
Foundation.framework
iOS2.0以上
https://developer.apple.com/reference/foundation/nsnumber
| category | Version |
|---|---|
| Swift | 3.0.2 |
| XCode | 8.2.1 |
| iOS | 10.0〜 |
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