why use bind and not a "c++ lambda" if you are using boost? The expression: bind(std::plus<int>(), _1, bind(&Die::faceValue, _2)) makes the code harder to re

why use bind and not a "c++ lambda" if you are using boost? The expression: bind(std::plus<int>(), _1, bind(&Die::faceValue, _2)) makes the code harder to read instead of easier, which isn't an improvement.