Jan Schultke

Jan Schultke has asked 52 questions and find answers to 146 problems.

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About

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

Jan Schultke questions

Why do Rust Strings have no Short String Optimizations (SSOs)?
Why can't most defaulted operators have a placeholder return type, i.e. auto?
Reliable way of ordering mulitple std::void_t partial specializations for type traits
Does std::to_chars ever really disambiguate using round_to_nearest?
Can you declare static local variables in a constexpr function?
Divide integers with floor, ceil and outwards rounding modes in C++
Can't use operator<< with std::float128_t; how do I print it?
Global variables - When to use static, inline, extern, const, and constexpr
How can I use "nullptr" for null pointers prior to C23?
What happens if an assumption, i.e. [[assume]] fails in a constant expression?

Jan Schultke answers

Can friend comparison operator be defined for a local class?
Where and how is the accuracy lost by doing in C integer multiplication and division and storing the result in integer or float?
Is it possible to determine whether an object is of a class type or not using a trait through a non-type template parameter in C++20?
Does memcpy require pointer to array rather than first element?
What is the common idiom(s) for resetting the moved object?
Rationale why is macro redefinition without undef leads to ill-formed program
Why can't most defaulted operators have a placeholder return type, i.e. auto?
Determine the parameter types of a function passed as a template parameter
Conditional expression produces different type between MSVC and GCC/Clang
Should std::variant be nothrow destructible when its alternative has potentially throwing destructor?