xmllmx

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xmllmx has asked 365 questions and find answers to 9 problems.

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xmllmx questions

Why add redundant `std::constructible_from<T>` to the concept `std::default_initializable`?
Why does std::map not always allow a compatible type as its key type?
Is it possible to overload operator "..." in C++?
Is `std::function` deprecated by `std::copyable_function` in C++26?
Why is a type alias not allowed to be a friend class name in C++?
No warnings for that function int f() doesn't return any value?
Why does the keyword `explicit` not apply to function parameters?
Why does std::unique_ptr need to be specialized for dynamic arrays?
Is it UB to skip the destructor of a derived class before doing a placement new on a base class?
Why do we keep a redundant ctor in std::copyable_function?

xmllmx answers

What replaces std::codecvt_utf8 in C++17 or how else do I convert an int to a u32 string? [duplicate]
What's the substitution of <codecvt> in C++17 or later? [duplicate]
Deprecated header <codecvt> replacement
how to pass arrays as parameters in constructor? c++
C++11 function definitions with auto keyword