On Sunday, 13 September 2015 at 16:46:54 UTC, Laeeth Isharc wrote:
can I check if a member of a T has a member without using a
mixin?
hid_t createDataType(T)()
if (__traits(isSame, TemplateOf!(T), PriceBar))
{
auto tid=H5T.create(H5TClass.Compound,T.sizeof);
enum offsetof(alias type, string field) = mixin(type.stringof
~"."~field~".offsetof");
H5T.insert(tid, "date", offsetof!(T,"date"),
createDataType!(KalDate));
static if(hasMember!(T,"open"))
H5T.insert(tid,"open",offsetof!(T,"open"),mapDtoHDF5Type("double"));
}
I would like to check if date has a member called second.
Thanks.
Use __traits(compiles, date.second)?