Comment by einpoklum
19 hours ago
> Unsigned ints have no “negativity” semantic.
They do. The code:
unsigned x;
unsigned y = -x;
is well-defined in C and C++. See this discussion on StackOverflow for spec text and reference:
19 hours ago
> Unsigned ints have no “negativity” semantic.
They do. The code:
unsigned x;
unsigned y = -x;
is well-defined in C and C++. See this discussion on StackOverflow for spec text and reference:
That’s not a negativity semantic, it’s the behavior of the “-“ operator. If you print y or compare it to zero you will see that the result remains positive. Unsigned integers by definition have no negative semantic, hence the name.