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Mike Pall <> wrote:
> Remember: 'unsigned' is a space optimization, and a really small
> one, too (saves one bit).

It also has different overflow semantics, in that overflow is defined to
be modulo 2^n for unsigned but it is undefined behaviour for signed.

f.anthony.n.finch  <>
Fair Isle: South veering southwest 6 to gale 8. Rough or very rough, becoming
very rough or high. Rain. Moderate or good.