dpj questions

• Where is the definition of libc++ ios_base::clear?
• how to parse and verify an ordered list of integers using qi
• what is a 'valid' std::function?
• What is a clean/concise way to pass empty range to a function taking a pair of iterators?
• Is this crash in libc++ std::search_n a bug?
• Can the Python interpreter welcome message be suppressed?
• std::shared_ptr and initializer lists

dpj answers