On Saturday, 17 February 2018 at 19:37:12 UTC, Steven Schveighoffer wrote:
On 2/17/18 9:59 AM, Andrei Alexandrescu wrote:
On 02/17/2018 09:03 AM, Steven Schveighoffer wrote:
I found this also works:

static foreach(alias x; S.tupleof)
{
    writeln(x.offsetof);
}

Yes, the implementation uses offsetof.


I guess I'm just confused based on the statement "the builtin .tupleof ... [omits] the essential information of field offsets."

What is this construct giving us that .tupleof doesn't?


I guess the construct captures offsets as part of type. This is useful for allocators + 2 things with same Layout can be bitblitted to each other.

-Steve


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