template specialization with array / unique_ptr
Milian Wolff
mail at milianw.de
Mon Feb 20 12:05:06 UTC 2012
Hey there,
I'm currently trying to fix https://bugs.kde.org/show_bug.cgi?id=294306 . I've
fixed the type_visitor to take the array into account, such that the
specialization is properly created with T[]. But it doesn't seem to be
possible to mark an identifier as "array" instead of e.g. pointer or
reference. This seems to be required though to ensure that instantiation finds
the proper template though I think. I wonder how to fix this... Esp. for 4.3
without breaking the ABI for identifier, it doesn't seem to be possible - or?
Note: With my fix to type_visitor, unique_ptr<Foo>() will at least take the
unspecialized version, i.e. the one with operator->(). But unique_ptr<int[]>()
or similar will still break, since it cannot find the specialization with []
(see above).
Also regarding unique_ptr and probably other STL stuff: It uses SFINAE to
figure out the return type (see unique_ptr::_Pointer) paired with decltype
which doesn't seem to work yet... so more work ahead of me :-/
cheers
--
Milian Wolff
mail at milianw.de
http://milianw.de
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