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748. The is_abstract type trait is defined by reference to 10.4.Section: 21.3.6.4 [meta.unary.prop] Status: NAD Submitter: Alisdair Meredith Opened: 2007-10-10 Last modified: 2016-01-28
Priority: Not Prioritized
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Discussion:
I am trying to decide is a pure virtual function is a necessary as well as sufficient requirement to be classified as abstract?
For instance, is the following (non-polymorphic) type considered abstract?
struct abstract {
protected:
abstract(){}
abstract( abstract const & ) {}
~abstract() {}
};
(Suggested that this may be NAD, with an editorial fix-up from Pete on the core wording to make clear that abstract requires a pure virtual function)
Proposed resolution:
Core has clarified that the definition abstract is adequate. Issue withdrawn by submitter. NAD.
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