date.h:16:  Do not use namespace using-directives.  Use using-declarations instead.  [build/namespaces] [5]
date.h:34:  Missing space after ,  [whitespace/comma] [3]
date.h:39:  An else should appear on the same line as the preceding }  [whitespace/newline] [4]
date.h:39:  If an else has a brace on one side, it should have it on both  [readability/braces] [5]
date.h:46:  "public:" should be preceded by a blank line  [whitespace/blank_line] [3]
date.h:58:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
date.h:60:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
date.h:62:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
date.h:66:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
date.h:80:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
date.h:96:  Else clause should never be on same line as else (use 2 lines)  [whitespace/newline] [4]
date.h:102:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing date.h
Total errors found: 12