kbobyrev added inline comments.

================
Comment at: clang-tools-extra/clangd/index/dex/Iterator.h:39
 #include <vector>
+#include "PostingList.h"
 
----------------
kbobyrev wrote:
> sammccall wrote:
> > Why this dep? Seems circular
> `Iterator` interface uses `DocID`, so I guess it should depend on 
> `PostingList.h`, shouldn't it?
FWIW I tried to get rid of this dependency in the first place, but it seemed 
pretty hard, because the options I saw were either forward declaring (which 
isn't possible since it's practically typedef) it or introducing another `using 
DocID = uint32_t` in `Iterator.h`, which I decided not to do because of the 
code duplication. Another option would be to make both `PostingList.h` and 
`Iterator.h` depend on some common file, but semantically `DocID` seems to 
belong to the `Iterator.h`, so I didn't think that would be a good solution, 
too.

Is there something I could do to resolve that?


https://reviews.llvm.org/D51982



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