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Dev Null has asked 23 questions and find answers to 24 problems.

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Dev Null questions

Is std::adjacent_find(last, last) undefined?
Does std::vector::assign/std::vector::operator=(const&) guarantee to reuse the buffer in `this`?
How to define a friend function declared in a non template class internal to a template class outside of both classes?
How to static assert a condition on a string literal inside of a constexpr function?
How to get name for each argument in variadic macros?
Why does gcc warn about large alignas value?
template function that deduces both containers and initializer_list-s
Why does gcc warn about calling a non-trivial move assignment operator with std::tuple and virtual inheritance?
boost::combine, range-based for and structured bindings
Why isn't RVO applied to base class subobject initialization?

Dev Null answers

No member named 'size' in namespace 'std'
Enforce variadic template of certain type
When to use std::invoke instead of simply calling the invokable?
How to return std::lock_guard in a std::pair
How to detach misplaced element from almost sorted linked list?
Using std::reference_wrapper as the key in a std::map
Is this C++ member initialization behavior well defined?
Printing addresses of vector<char>'s elements shows garbage [duplicate]
Why isn't RVO applied to base class subobject initialization?