Oops, I apparently didn't attach the diffs after all. Hopefully, they're really there this time. Daveed
Attachment:
nullptr.diffs
Description: Binary data
On Mar 22, 2010, at 6:15 PM, David Vandevoorde wrote: > Attached are diffs for a revised proposal: There is no longer a separate type_info variant for nullptr_t. I did make it more explicit that fundamental types have __fundamental_type_info entries. > > Daveed > > > On Mar 4, 2010, at 3:45 AM, Dennis Handly wrote: > >>> From: Jason Merrill <jason@xxxxxxxxxx> >>> None of the RTTI types match the mangled names of types that use them. >> >> Sorry. I meant it matches except for the _ZTI prefix: >> _ZTIl == type info of long >> >>>> Why not follow the same path? >>>> if (catch_type == typeid(std::nullptr_t)) >> >>> I suppose this would also work, and would indeed save us a few words of >>> space in the runtime library. >> Jason >> >> It also saves typing in that new class in the header file. :-) >> But it saves a vtable and type_info for that class. >> >> We have a demamgler library using lots of virtual functions and it has >> over 19 Kb of C++ metadata. Where adding a simple tag (with lots of switches) >> would save lots of data space. >> >> With the typeid(std::nullptr_t) new case, you probably only need to check >> in a few places. > >