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C# int32 literal can only be stored in long data type

Im preparing for a very tricky c# exam and this question popped up while doing so. I have the following code:

 uint zzz = -12u;

-12u is recognized as System.Uint32 literal but it can only be stored in variable of type long. Why is that ?

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Chris Nickson Avatar asked Dec 04 '12 15:12

Chris Nickson


1 Answers

What it is doing is taking the unsigned int 12 and trying to convert it into a negative value (the -) which requires a conversion to a type that can handle negative numbers as an unsigned int cannot.

Because it is an unsigned int it has possible values outside the range of int, so conversion to a long is required.

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Richard Dalton Avatar answered Sep 30 '22 04:09

Richard Dalton