Thanks for being a part of WWDC25!

How did we do? We’d love to know your thoughts on this year’s conference. Take the survey here

How to enable STL range checks (vector, etc)

The following generates a prior definition warning from #include <__config>. But that has an ifndef in it. I'm in C++17 on Xcode latest (14.5). Is this documented anywhere?

-D_LIBCPP_ENABLE_ASSERTIONS=1

How to enable STL range checks (vector, etc)
 
 
Q