Common Design Patterns in C++

List:

• Pimpl(Pointer Implementation)
• Singleton
• ...

How to document C++ code:

Template:

/**
 * Sum numbers in a vector.
 *
 * @param values Container whose values are summed.
 * @return sum of `values`, or 0.0 if `values` is empty.
 */
double sum(std::vector<double> & const values) {
    ...
}

Reference: Documenting C++ Code