Ichthyostega
675b2070ce
this is only a stripped-down version of the basic singleton, without the indirection. Unsurprisingly, this doesn't exhibit the problem yet
62 lines
798 B
C++
62 lines
798 B
C++
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namespace test {
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template<typename T
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,template <class> class Fac
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>
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struct Holder
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{
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static T* instance;
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T&
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get()
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{
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if (!instance)
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{
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instance = Fac<T>::create();
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}
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return *instance;
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}
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};
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template<typename T
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,template <class> class F
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>
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T* Holder<T,F>::instance;
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template<typename T>
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struct Factory
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{
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static T*
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create()
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{
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return new T();
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}
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};
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struct Subject
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{
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static int cnt;
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Subject();
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};
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typedef Holder<Subject,Factory> AccessPoint;
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extern AccessPoint fab;
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Subject& fabricate();
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} // namespace test
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