The lookup is done at a time when the constness of this is not known. You just have to give it a hint via casting. Try this.
This question has been answered, but I find the best way to specify an overload with bind is to specify it on the template.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.