Deduplicator

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Deduplicator has asked 4 questions and find answers to 307 problems.

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Deduplicator questions

Can the compiler optimize out the empty base if the class contains a member of base class type as first element, followed by other members?
Why may there be a difference between union* and struct*?
Are end+1 iterators for std::string allowed?

Deduplicator answers

Is there something equivalent to `instancetype` in C++?
Unexpected results on difference of unsigned ints
Does memory get freed when reassigning std::unique_ptr?
Can I change a std::string, which has been assigned to a std::string_view
Purpose of `n` field added to tables by `table.pack`? Heck, why does `table.pack` even exist?
create tuple of nth element in the cartesian product of input vectors
Operator overloading use * and *= as dot or cross product [closed]
C++ SSO : How to programatically find if a std::wstring is allocated with Short String Optimization?
How does the compiler know that it is at the end of the array?
When is it appropriate to explicitly instantiate templates?