From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2007-06-30 05:10:37
Eric Friedman wrote:
> This is used by variant to support the variant::type method.
> Otherwise, as Benoit explained, it is not used.
> I know in the past there had been discussion about defining a
> BOOST_NO_RTTI macro, but I don't think this went anywhere...? If there
> were such a macro, the variant implementation could be changed to
> conditionally compile the variant::type method, etc.
Wouldn't it be cleaner to just deprecate that member function and
reintroduce a freestanding version in a separate header (so the
dependencies are as optional as the feature)?
This takes some time, however, a fake 'typeinfo' header might serve as a
short-term workaround to make code like variant compile as-is without RTTI:
// unrefined and untested code for illustration only
typedef RTTI_NOT_SUPPORTED type_info;
#define typeid *( ::std::type_info* )sizeof
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