[libcxx-commits] [libcxx] [libc++] Remove unused defaulted template arg from `__rewrap_range`. (PR #67733)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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<details>
<summary>Changes</summary>

Template argument `_Unwrapped` is always deduced from the type of `_Unwrapped __iter`.

---
Full diff: https://github.com/llvm/llvm-project/pull/67733.diff


1 Files Affected:

- (modified) libcxx/include/__algorithm/unwrap_range.h (+2-2) 


``````````diff
diff --git a/libcxx/include/__algorithm/unwrap_range.h b/libcxx/include/__algorithm/unwrap_range.h
index 2c75c8f49de938e..a1e0989570bdb2d 100644
--- a/libcxx/include/__algorithm/unwrap_range.h
+++ b/libcxx/include/__algorithm/unwrap_range.h
@@ -76,7 +76,7 @@ _LIBCPP_HIDE_FROM_ABI constexpr auto __unwrap_range(_Iter __first, _Sent __last)
 template <
     class _Sent,
     class _Iter,
-    class _Unwrapped = decltype(std::__unwrap_range(std::declval<_Iter>(), std::declval<_Sent>()))>
+    class _Unwrapped>
 _LIBCPP_HIDE_FROM_ABI constexpr _Iter __rewrap_range(_Iter __orig_iter, _Unwrapped __iter) {
   return __unwrap_range_impl<_Iter, _Sent>::__rewrap(std::move(__orig_iter), std::move(__iter));
 }
@@ -86,7 +86,7 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR pair<_Unwrapped, _Unwrapped> __unwrap_ra
   return std::make_pair(std::__unwrap_iter(std::move(__first)), std::__unwrap_iter(std::move(__last)));
 }
 
-template <class _Iter, class _Unwrapped = decltype(std::__unwrap_iter(std::declval<_Iter>()))>
+template <class _Iter, class _Unwrapped>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Iter __rewrap_range(_Iter __orig_iter, _Unwrapped __iter) {
   return std::__rewrap_iter(std::move(__orig_iter), std::move(__iter));
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/67733