[libcxx-commits] [libcxx] [libc++] Refactor some code in monotonic_buffer_resource (PR #117271)

[Peng Xie via libcxx-commits]

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@@ -48,9 +47,11 @@ class _LIBCPP_AVAILABILITY_PMR _LIBCPP_EXPORTED_FROM_ABI monotonic_buffer_resour
       char* __end_;
       size_t __size_;
     };
-    void* __try_allocate_from_chunk(size_t, size_t);
   };
 
+  template <typename Chunk>
+  _LIBCPP_HIDE_FROM_ABI void* __try_allocate_from_chunk(Chunk& self, size_t bytes, size_t align);
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love1angel wrote:

> Can this be moved to a non-member function defined only in `memory_resource.cpp`?

since struct __chunk_footer is private inside class monotonic_buffer_resource. then i couldn't get scope struct __chunk_footer __initial_descriptor.

but this can be easy archieved by add a branch judge cost.  otherwise i can distinguish them by struct size, but this is ugly.


https://github.com/llvm/llvm-project/pull/117271