Function Assert

10.13-assert1/main.cpp:10–20

#A Assert function taking condition, message, and source location

// #A Assert function taking condition, message, and source
// location
void Assert(bool                 condition,
            std::string_view     msg,
            std::source_location location =
              // #B current() is special
            std::source_location::current())
{
  if(not condition) {
    std::clog << location.function_name() << ':'
              << location.line() << ": " << msg << '\n';
  }
}

int main()
{