format_visitor.h:41:  Static/global string variables are not permitted.  [runtime/string] [4]
format_visitor.h:47:  An else should appear on the same line as the preceding }  [whitespace/newline] [4]
format_visitor.h:47:  If an else has a brace on one side, it should have it on both  [readability/braces] [5]
Done processing format_visitor.h
Total errors found: 3