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duplicates:

• SR-1007 Unsigned integer types have incorrect max values

Issue Description:

I've discovered that the debugger is presenting negative numbers in a `UInt8` array, which could not be possible.

I cannot share the data that made this issue come up, but this is what I'm doing:

                let count = data.length / sizeof(UInt8)
                
                // create an array of Uint8
                var array = [UInt8](count: count, repeatedValue: 0)
                
                // copy bytes into array
                data.getBytes(&array, length:count * sizeof(UInt8))

The `data` parameter is an NSData that contains a sequence of `UInt8` values in binary form, and this same code parses a similar file (but of type `Float`) without any issues.

I'm attaching a screenshot of the Xcode debugger showing the contents of the `data` array.