How can an extended C++ implicit conversion chain triumph and a demanding subchain of it are unsuccessful in operator lookup? CowperKettleCowperKettle 36.7k1818 gold badges138138 silver badges235235 bronze badges 2 Took me a while to view how this answer does in truth extend to other illustrations where by "best" is made https://cureayunaturalhealthcaresolutions.blogspot.com