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Subject: Re: [boost] [parameter] aux_/void.hpp: potential undefined behavior
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-11-03 14:16:16

Krzysztof Czainski wrote:
> struct void_ {};
> namespace aux
> {
> inline void_& void_reference()
> {
> static void_ instance; // (1)
> return instance;
> }
> My question is: is it allowed to use an instance of an
> uninitialized empty struct?

That uses the implicit default constructor provided by the compiler which, of course, does nothing. instance is not uninitialized.

Rob Stewart robert.stewart_at_[hidden]
Software Engineer using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP


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