prime_gen.h:7:  You don't need a ; after a }  [readability/braces] [4]
prime_gen.h:19:  You don't need a ; after a }  [readability/braces] [4]
prime_gen.h:9:  Missing space before ( in while(  [whitespace/parens] [5]
prime_gen.h:10:  { should almost always be at the end of the previous line  [whitespace/braces] [4]
prime_gen.h:13:  Missing space before ( in for(  [whitespace/parens] [5]
prime_gen.h:14:  Missing space before ( in if(  [whitespace/parens] [5]
prime_gen.h:23:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing prime_gen.h
Total errors found: 7