prime_gen.h:2:  private: should be indented +1 space inside class PrimeNumberGenerator  [whitespace/indent] [3]
prime_gen.h:4:  public: should be indented +1 space inside class PrimeNumberGenerator  [whitespace/indent] [3]
prime_gen.h:36:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing prime_gen.h
Total errors found: 3