HolyBlackCat

HolyBlackCat has asked 87 questions and find answers to 315 problems.

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HolyBlackCat questions

Why does the use of `std::aligned_storage` allegedly cause UB due to it failing to "provide storage"?
In a concept, how can I check that a member is static?
How do I use Clang's attribute `preferred_name`?
libstdc++ deprecation message for u8path suggests a strict aliasing violation as a workaround?
Differences in constraint validation order between compilers?
Why is member function return type instantiated much later than the expression types it depends on?
Writing traits as class templates vs variable templates?
Why does the thread sanitizer complain about acquire/release thread fences?
What should `foo.template bar()` do when there's both a template and a non-template overload?
What are MSYS2 environments? How do I pick one?

HolyBlackCat answers

Detect the existence of a template instantiation for a given type
Unwanted extra "empty" argument appears when passing in a macro to another macro instead of passing things directly
How does c++ determine whether an integer literal fit int type or not?
What does 0b1 mean in C++?
Why does the use of `std::aligned_storage` allegedly cause UB due to it failing to "provide storage"?
C++ template function that takes float or double
Any way to have an Implicit Lifetime Type with a user defined constructor?
What's the name of all the square brackets?
Why I should use '->' instead of '.' in a pointer of the object? [duplicate]
Why does ranges::for_each return the function?