53 lines
1.4 KiB
Swift
53 lines
1.4 KiB
Swift
// By default, all overflows in Swift result in a runtime exception, which is always fatal
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// However, you can opt-in to overflow behavior with the overflow operators and continue with wrong results
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var int32:Int32
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var int64:Int64
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var uInt32:UInt32
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var uInt64:UInt64
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println("signed 32-bit int:")
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int32 = -1 &* (-2147483647 - 1)
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println(int32)
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int32 = 2000000000 &+ 2000000000
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println(int32)
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int32 = -2147483647 &- 2147483647
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println(int32)
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int32 = 46341 &* 46341
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println(int32)
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int32 = (-2147483647-1) &/ -1
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println(int32)
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println()
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println("signed 64-bit int:")
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int64 = -1 &* (-9223372036854775807 - 1)
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println(int64)
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int64 = 5000000000000000000&+5000000000000000000
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println(int64)
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int64 = -9223372036854775807 &- 9223372036854775807
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println(int64)
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int64 = 3037000500 &* 3037000500
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println(int64)
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int64 = (-9223372036854775807-1) &/ -1
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println(int64)
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println()
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println("unsigned 32-bit int:")
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println("-4294967295 is caught as a compile time error")
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uInt32 = 3000000000 &+ 3000000000
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println(uInt32)
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uInt32 = 2147483647 &- 4294967295
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println(uInt32)
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uInt32 = 65537 &* 65537
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println(uInt32)
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println()
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println("unsigned 64-bit int:")
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println("-18446744073709551615 is caught as a compile time error")
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uInt64 = 10000000000000000000 &+ 10000000000000000000
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println(uInt64)
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uInt64 = 9223372036854775807 &- 18446744073709551615
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println(uInt64)
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uInt64 = 4294967296 &* 4294967296
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println(uInt64)
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