format_visitor.h:10:  public: should be indented +1 space inside class FormatVisitor  [whitespace/indent] [3]
format_visitor.h:56:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
format_visitor.h:67:  private: should be indented +1 space inside class FormatVisitor  [whitespace/indent] [3]
format_visitor.h:76:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing format_visitor.h
Total errors found: 4