整数型 整数型は、8, 16, 32, 64ビットの整数が利用可能。 また、符号つき、符号なしが、それぞれ、存在する。 なので、型名としては、以下のとおり。 符号あり Int8, Int16, Int32, Int64 符号なし UInt8, UInt16, UInt32, UInt64 let constantInt8: Int8 = 10 let constantUInt8: UInt8 = 5 let constantInt16: Int16 = 10 let constantUInt16: UInt16 = 5 let constantInt32: Int32 = 10 let constantUInt32: UInt32 = 5 let constantInt64: Int64 = 10 let constantUInt64: UInt64 = 5
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