Jan Schultke

Jan Schultke has asked 26 questions and find answers to 65 problems.

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

Jan Schultke questions

Can we name an ill-formed specialization as long as we don't instantiate it?
What is a fast fallback algorithm which emulates PDEP and PEXT in software?
What's the most simple tuple implementation in C++26?
What is the right std::atomic memory order for dynamic scheduling?
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?

Jan Schultke answers

Will dereferencing pointers always cause memory access?
Is it ok to use std::ignore in order to discard a return value of a function to avoid any related compiler warnings?
Wrap std::thread in lambda with perfect forwarding
Does endianness affect the position of struct members in memory?
Why doesn't -fsanitize=undefined pick up on (what I think is) UB?
std::tuple missing default constructor when using an inner struct
What are the requirements to make a lambda constexpr?
What does the term "trivial" formally mean in C++?
Why does calling std::ranges::rotate on a vector result in a "no matching function call to '__begin'" error using clang 15?
Understanding implicit lifetime creation and aliasing in C++