================
@@ -343,6 +347,15 @@ public:
return __data_[__idx];
}
+# if _LIBCPP_STD_VER >= 26
+ _LIBCPP_HIDE_FROM_ABI constexpr reference at(size_type __idx) const {
+ if (__idx >= size()) {
+ __throw_out_of_range();
+ }
+ return *(data() + __idx);
----------------
mordante wrote:
And `std::__throw_out_of_range()` for consistency.
I prefer not to use `data()[__idx]`. This differs from the wording in the paper.
https://github.com/llvm/llvm-project/pull/74994
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