[libcxx-commits] [libcxx] [libc++] Implement a type-safe iterator for optional (PR #154239)

[Louis Dionne via libcxx-commits]

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@@ -711,13 +711,16 @@ private:
   using __pointer _LIBCPP_NODEBUG       = add_pointer_t<_Tp>;
   using __const_pointer _LIBCPP_NODEBUG = add_pointer_t<const _Tp>;
 
+  template <typename _Underlying>
+  using __iter _LIBCPP_NODEBUG = __capacity_aware_iterator<_Underlying, optional<_Tp>, 1>;
+
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ldionne wrote:

I would get rid of this alias and just inline it below.

https://github.com/llvm/llvm-project/pull/154239