format_visitor.h:121:  Missing space before ( in if(  [whitespace/parens] [5]
format_visitor.h:121:  Did you mean "else if"? If not, start a new line for "if".  [readability/braces] [4]
format_visitor.h:123:  Did you mean "else if"? If not, start a new line for "if".  [readability/braces] [4]
format_visitor.h:155:  Did you mean "else if"? If not, start a new line for "if".  [readability/braces] [4]
format_visitor.h:180:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
format_visitor.h:247:  "private:" should be preceded by a blank line  [whitespace/blank_line] [3]
format_visitor.h:250:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing format_visitor.h
Total errors found: 7