[libcxx-commits] [libcxx] [libc++][format][3/3] Improves formatting performance. (PR #108990)

[Nikolas Klauser via libcxx-commits]

================
@@ -53,24 +56,147 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 namespace __format {
 
+// A helper to limit the total size of code units written.
+class _LIBCPP_HIDE_FROM_ABI __max_output_size {
----------------
philnik777 wrote:

But what does it actually hide? This just mangles the name differently AFAICT, which isn't part of our ABI anyways.

https://github.com/llvm/llvm-project/pull/108990