[libcxx-commits] [libcxx] [NFC][libc++][TZDB] Improves some internals. (PR #84800)

[Louis Dionne via libcxx-commits]

================
@@ -52,19 +52,29 @@ class _LIBCPP_AVAILABILITY_TZDB tzdb_list {
 
   using const_iterator = forward_list<tzdb>::const_iterator;
 
-  _LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const tzdb& front() const noexcept;
+  _LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const tzdb& front() const noexcept { return __front(); }
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ldionne wrote:

```suggestion
  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI const tzdb& front() const noexcept { return __front(); }
```

Here and in other places.

https://github.com/llvm/llvm-project/pull/84800