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Is '_HAS_CXX17' macro usable in custom project headers to enable C++17 language set features...

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Remove duplication in equivalent const and non-const members when returning optional reference by va...

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How to initialize non-movable and non-copyable class member - boost::optional...

How to forward constructor arguments to boost::optional...

How to get around GCC ‘*((void*)& b +4)’ may be used uninitialized in this function warning whil...

Why is boost::optional<T> not convertable to bool for the purposes of std::is_convertible...

passing boost::optional lvalue as a reference to a function...

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Do std::optional and boost::optional respect alignment restrictions of the managed object?...

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When to use boost::optional and when to use std::unique_ptr in cases when you want to implement a fu...