[libc++][ranges] implement 'ranges::elements_of'

Author: xiaoyang-sde

libcxx/include/__ranges/elements_of.h

@@ -38,8 +38,8 @@ struct elements_of {
   // This explicit constructor is required because AppleClang 15 hasn't
   // implemented P0960R3.
   template <std::ranges::range _Range2, class _Allocator2 = std::allocator<byte>>
-  _LIBCPP_HIDE_FROM_ABI explicit constexpr elements_of(_Range2&& Range, _Allocator2&& Alloc = _Allocator())
-      : range(std::forward<_Range2>(Range)), allocator(std::forward<_Allocator2>(Alloc)) {}
+  _LIBCPP_HIDE_FROM_ABI explicit constexpr elements_of(_Range2&& __range, _Allocator2&& __alloc = _Allocator())
+      : range(std::forward<_Range2>(__range)), allocator(std::forward<_Allocator2>(__alloc)) {}
 #  endif
 };
 

libcxx/test/std/ranges/range.utility/range.elementsof/elements_of.pass.cpp

@@ -27,7 +27,7 @@ struct Range {
 
   Iterator begin() { return Iterator(data_.data()); }
 
-  sentinel_wrapper<Iterator> end() { return Sentinel(Iterator(data_.data() + data_.size())); }
+  Sentinel end() { return Sentinel(Iterator(data_.data() + data_.size())); }
 
 private:
   std::vector<int> data_ = {0, 1, 2, 3};