switch private to protected

Summary: Allow subclasses to access previously private member variables of subclass.

Differential Revision: D6335909

fbshipit-source-id: 5b6ee557947cba939e1c81388261440a22f2afd5

src/args.h

@@ -21,7 +21,7 @@ enum class model_name : int {cbow=1, sg, sup};
 enum class loss_name : int {hs=1, ns, softmax};
 
 class Args {
-  private:
+  protected:
     std::string lossToString(loss_name);
 
   public:

src/dictionary.h

@@ -34,7 +34,7 @@ struct entry {
 };
 
 class Dictionary {
-  private:
+  protected:
     static const int32_t MAX_VOCAB_SIZE = 30000000;
     static const int32_t MAX_LINE_SIZE = 1024;
 

src/model.h

@@ -36,7 +36,7 @@ struct Node {
 };
 
 class Model {
-  private:
+  protected:
     std::shared_ptr<Matrix> wi_;
     std::shared_ptr<Matrix> wo_;
     std::shared_ptr<QMatrix> qwi_;

src/productquantizer.h

@@ -22,7 +22,7 @@
 namespace fasttext {
 
 class ProductQuantizer {
-  private:
+  protected:
     const int32_t nbits_ = 8;
     const int32_t ksub_ = 1 << nbits_;
     const int32_t max_points_per_cluster_ = 256;

src/qmatrix.h

@@ -27,7 +27,7 @@
 namespace fasttext {
 
 class QMatrix {
-  private:
+  protected:
     std::unique_ptr<ProductQuantizer> pq_;
     std::unique_ptr<ProductQuantizer> npq_;