[libc-commits] [libc] [libc] Implement forward iterators (PR #93916)

[Joseph Huber via libc-commits]

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@@ -63,6 +63,10 @@ template <typename T, size_t CAPACITY> class FixedVector {
     return reverse_iterator{&store[item_count]};
   }
   LIBC_INLINE constexpr reverse_iterator rend() { return store.rend(); }
+
+  using iterator = typename cpp::array<T, CAPACITY>::iterator;
+  LIBC_INLINE constexpr iterator begin() { return store.begin(); }
+  LIBC_INLINE constexpr iterator end() { return iterator{&store[item_count]}; }
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jhuber6 wrote:

The iterator type is `T *` from the template, so it should know how to do pointer arithmetic on it, but it should be caught in your  tests.

https://github.com/llvm/llvm-project/pull/93916