JDevlieghere added inline comments.

================
Comment at: lldb/include/lldb/Core/ModuleList.h:73-74
+public:
+  explicit ModuleIterator(const ModuleList *module_list, size_t idx);
+  ModuleIterator(const ModuleList *module_list);
+
----------------
dblaikie wrote:
> Interesting choice to make the single-arg ctor implicit but the multi-arg 
> explicit (usually people end up the other way around - because until C++ 17 
> or something, explicit was only relevant for single-arg constructors). In any 
> case the ctors are only used once each & probably might as well have them 
> both explicit.
> 
> Or maybe make only one ctor that takes the index explicitly and use it from 
> begin/end - not sure there's much value added by having two ctors here, and 
> honestly I'd have expected the no-arg version to start at zero, and the 
> arg-taking version to start wherever you want, and I see they're the 
> opposite, so that'd probably reinforce the idea that just having the one that 
> takes an explicit index might be less confusing.
I copied all of this from somewhere else in LLDB without giving it much thought 
because honestly I'm not sure this iterator is that much better than then 
existing `LockingAdaptedIterable`. Sorry for making you review this half-baked 
code... 


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94136/new/

https://reviews.llvm.org/D94136

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