[dcl.init.aggr] p2 Elements of an anonymous union
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Description
The elements of an aggregate are:
- [...]
- for a class, the direct base classes in declaration order, followed by the direct non-static data members ([class.mem]) that are not members of an anonymous union, in declaration order.
static union {
int c;
};
The member c is an element of the anonymous union, I believe. Presumably, the intent of [dcl.init.aggr] p2 is to exclude the member of an anonymous union member of a class of which that member is a direct member. Should we say
for a class, the direct base classes in declaration order, followed by the direct non-static data members ([class.mem]) that are not members of an anonymous union member, in declaration order.
It could make that rule admit that a member of an anonymous union is an element of the anonymous union.
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Research direction
The issue concerns [dcl.init.aggr] paragraph 2 and cites [class.mem], with an anonymous-union example. Start by reading those clauses in the draft and verify how members of an anonymous union are classified. Done means the standard wording unambiguously distinguishes class elements from anonymous-union elements.
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Assessment
- Tech stack
- cpp, tex
- Domain
- compilers, documentation
- Issue type
- Documentation
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100