Jan Schultke

Jan Schultke has asked 28 questions and find answers to 78 problems.

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About

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

Jan Schultke questions

Can you explicitly provide template arguments to std::gcd?
Validation after initializing variables in a constructor: why not the other way?
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

Jan Schultke answers

Why can T not be deduced for std::span<T> when passing a std::vector?
Why does overload resolution prefer std::nullptr_t over a class when passing {}?
How do I trap a pure virtual method called error?
memory ordering on a simple producer/consumer example
Which gnu attributes have c++11 syntax?
Why is it a syntax error to use explicit object parameters in a function pointer?
What type of analysis do compilers do to spot opportunities for reducing entires chunks of code with calls to builtins?
What is the type of a by-value lambda capture of a reference?
Restrict C++ Template argument to be inside a namespace
Implementation of std::start_lifetime_as()