gistfile1.txt

struct MutableState {
};

class Regularizer {
  virtual void update(MutableState*) = 0;
};

class LearningRate {
  virtual void update(MutableState*) = 0;
};

class GradientUpdate {
  virtual void update(MutableState*) = 0;
};


class Optimizer {
  ...
  
  lr.update(state);
  regularier.update(state);
  gradient.update(state);
  
  ...
};