Does D have too many features?

ponce spam at spam.org
Tue May 1 06:31:37 PDT 2012


Le 30/04/2012 14:44, Don Clugston a écrit :
>
> It's not a bug, it's a design flaw. The buggy behaviour is explicitly
> tested in the test suite.
> The problem is that the C promotion rules also apply, just as for >> and
> <<. But they are fundamentally incompatible with unsigned shift.
> So short and byte get promoted to int *by sign extension*,
> then the int gets an unsigned shift.
> Which means that the short or byte gets a signed shift instead of an
> unsigned one.

Thanks for pointing that out.
Sadly, it makes some sense with the C integer promotion rules.


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