game_database.h:14:  public: should be indented +1 space inside class DereferenceCompare  [whitespace/indent] [3]
game_database.h:32:  You don't need a ; after a }  [readability/braces] [4]
game_database.h:43:  You don't need a ; after a }  [readability/braces] [4]
game_database.h:40:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
game_database.h:40:  Missing space after ,  [whitespace/comma] [3]
game_database.h:55:  You don't need a ; after a }  [readability/braces] [4]
game_database.h:50:  Missing space around colon in range-based for loop  [whitespace/forcolon] [2]
game_database.h:67:  You don't need a ; after a }  [readability/braces] [4]
game_database.h:61:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
game_database.h:62:  Missing space around colon in range-based for loop  [whitespace/forcolon] [2]
game_database.h:77:  You don't need a ; after a }  [readability/braces] [4]
game_database.h:73:  Missing space around colon in range-based for loop  [whitespace/forcolon] [2]
game_database.h:73:  Missing space before ( in for(  [whitespace/parens] [5]
game_database.h:73:  Missing space before {  [whitespace/braces] [5]
game_database.h:84:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
game_database.h:87:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
game_database.h:81:  Add #include <functional> for greater<>  [build/include_what_you_use] [4]
game_database.h:84:  Add #include <utility> for pair<>  [build/include_what_you_use] [4]
game_database.h:88:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing game_database.h
Total errors found: 19