initialize_vector.h:6:  Weird number of spaces at line-start.  Are you using a 2-space indent?  [whitespace/indent] [3]
initialize_vector.h:6:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
initialize_vector.h:9:  Add #include <vector> for vector<>  [build/include_what_you_use] [4]
Done processing initialize_vector.h
Total errors found: 3