[llvm] [libcxx] [clang] [clang-tools-extra] [libc++][span] P2821R5: span.at() (PR #74994)
Hristo Hristov via cfe-commits
cfe-commits at lists.llvm.org
Sun Dec 10 23:32:32 PST 2023
================
@@ -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);
----------------
H-G-Hristov wrote:
For consistency I changed the implementation to how it is implemented in the other methods. Would that be a good compromise?
https://github.com/llvm/llvm-project/pull/74994
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