Daniel Langr

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Daniel Langr has asked 76 questions and find answers to 187 problems.

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Daniel Langr questions

Using `this` as a pointer to derived class in a base class in CRTP
Does STLR(B) provide sequential consistency on ARM64?
Is MPL pos an undocumented metafunction?
Why string::replace does not specify allocator's exceptions in C++11?
GCC does not generate machine code for out-of-class defaulted copy constructor
GCC generates test for nonzeroness even if the zero value is guaranteed
std::construct_at vs placement new; additional move/copy constructor call
Why destructor needs to be accessible even when it is not called?
Why std::allocator<T>::allocate calls ::operator new?
Why is std::array<T,0> sized and aligned according to T in libc++?

Daniel Langr answers

Is this local an rvalue?
Different results of std::isinf for different types and different compilers
C++ way of creating a structure with variable number of items
Inherit assignment operator failure c++
Is there any type defined in Standard Library which has copy constructor but doesn't have a move constructor?
Confusing behaviour around mandatory elision of copy/move [duplicate]
Using in-place lambda for complex initialisation, especially consts
Parallel summation of the array is slower than the sequential one in C++
Why does t+=i+'a' give the correct output while t=t+i+'a' gives an error?
beginner questions about class and objects