Introspection
Sean Kelly
sean at invisibleduck.org
Tue Sep 23 15:32:09 PDT 2008
== Quote from Sean Kelly (sean at invisibleduck.org)'s article
> Does anyone know a way to determine the type and offset of class/struct members?
> It seems we already have all the necessary pieces, but I haven't been able to get it
> to work thus far. What I'm thinking of is something like this:
> import std.stdio;
> class C
> {
> int i;
> void* p;
> }
> void main()
> {
> foreach( e; typeof(C.tupleof) )
> writefln( e.stringof, " ", e.offsetof );
> }
> However, offsetof doesn't appear to work on the members of this
> TypeTuple, nor on an instance tuple. I've also tried various attempts
> at printing the address or value of the instance tuple, with no success.
Hm, now that I think about it, I bet this is possible with string mixins and __traits.
Sean
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