SmartPointer.hpp:8:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:18:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:21:  public: should be indented +1 space inside class SmartPointer  [whitespace/indent] [3]
SmartPointer.hpp:21:  "public:" should be preceded by a blank line  [whitespace/blank_line] [3]
SmartPointer.hpp:24:  Constructors callable with one argument should be marked explicit.  [runtime/explicit] [5]
SmartPointer.hpp:68:  private: should be indented +1 space inside class SmartPointer  [whitespace/indent] [3]
SmartPointer.hpp:72:  Namespace should be terminated with "// namespace smart_pointer"  [readability/namespace] [5]
SmartPointer.hpp:72:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing SmartPointer.hpp
Total errors found: 8