Why are void contents marked as having pointers?
SeeWebsiteForEmail at erdani.org
Sun May 31 16:18:46 PDT 2009
Vladimir Panteleev wrote:
> On Mon, 01 Jun 2009 00:00:45 +0300, Andrei Alexandrescu <SeeWebsiteForEmail at erdani.org> wrote:
>> const(ubyte) getRepresentation(T)(T data)
>> return cast(typeof(return)) data;
> This is functionally equivalent to (forgive the D1):
> ubyte getRepresentation(void data)
> return cast(ubyte) data;
> Since no allocation is done in this case, the use of void is safe, and it doesn't instantiate a version of the function for every type you call it with. I remarked about this in my other reply.
This is not safe because you can change the data.
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