1.. title:: clang-tidy - readability-duplicate-include 2 3readability-duplicate-include 4============================= 5 6Looks for duplicate includes and removes them. The check maintains a list of 7included files and looks for duplicates. If a macro is defined or undefined 8then the list of included files is cleared. 9 10Examples: 11 12.. code-block:: c++ 13 14 #include <memory> 15 #include <vector> 16 #include <memory> 17 18becomes 19 20.. code-block:: c++ 21 22 #include <memory> 23 #include <vector> 24 25Because of the intervening macro definitions, this code remains unchanged: 26 27.. code-block:: c++ 28 29 #undef NDEBUG 30 #include "assertion.h" 31 // ...code with assertions enabled 32 33 #define NDEBUG 34 #include "assertion.h" 35 // ...code with assertions disabled 36