Sam Varshavchik questions

Sam Varshavchik answers

• What is the point of a C++ implicit default constructor?
• sort algorithm compiler error with dynamic array
• How to filter out elements of certain data types in a vector of std::variant?
• Compile error with decltype of iterator de-reference
• How could I iterator a vector as a member of class while the corresponding objects pass as a const
• Is there a way in C++ to "compare" a string with a typename?
• Simple way to call a command-line argument as a function in C++?
• c++ do while condition is not work as expected
• How to delegate a constructor correctly
• How to build C++17 application in old linux distro with old stdlib and libc?