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Questions - addressof

Is there any safe way to derive the offset of a T inside a std::optional<T>?

Given a std::optional<T> is it possible to derive the address of the std::optional<T> from the address of the T? possible implementation: template<typename T> struct myoptional { ...
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Frank Puck

c++

stl

stdoptional

addressof

Votes: 0

Answers: 1

Latest Answer

It is not specified where exactly in its storage std::optional stores the object. If you assume that the location of the object is always the same for the same type T, you can maybe (see below) use th...
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user17732522

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