Jan Schultke

Jan Schultke has asked 22 questions and find answers to 38 problems.

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About

Computer Science student at TU Dresden. C++, Java, Python and Kotlin enthusiast.

Jan Schultke questions

Is the author's union-based implementation of an optional<bool> well-defined in P2641?
What happens when an assumption, i.e. [[assume]] contains UB?
Why does std::println(std::vector) fail to compile?
Using std::enable_if with out-of-line member functions and templated static member conditions
Why does std::array::begin not return an iterator?
How do I download images with an https URL in Python 3?
What operations can make floats leave a [0, 1] range?
Why can a naive abs implementation not be optimized well in C++?
How can I speed up the binary GCD algorithm using __builtin_ctz?
YAML: Is it possible to have a list in the root section?

Jan Schultke answers

c++20 partial class specialization with concepts and variadic template args
Are XOR linked lists still allowed in C++17?
Can calls to member functions of function parameters be used as template arguments?
Does undefined behavior only concern an execution of program, or can it concern a program itself?
Why do GCC and Clang pop on both branches instead of only once? (Factoring parts of the epilogue out of tail-duplication)
When is C++23 auto(x) useful?
Transparent search for a std::map with a std::pair as a key
How to use decltype(T::member) for a member that might not exist in T
Why are pointers to data members callable in C++?
Storage of String Literals in memory c++