[libcxx-commits] [libcxx] [libc++] Complete `<charconv>` for 64-bit `long double` platforms (PR #117125)

[Louis Dionne via libcxx-commits]

ldionne wrote:

> Does it? AFAICT we'll just have to add
> 
> ```
> template __from_chars_result<long double> __from_chars_floating_point(
>     _LIBCPP_NOESCAPE const char* __first, _LIBCPP_NOESCAPE const char* __last, chars_format __fmt);
> ```
> 
> to the dylib as well as a corresponding declaration once the LLVM libc supports `long double`s.

After this patch, yes that's right that's all we'd need to do (I think). That's what I mean by "this buys us a bit". It doesn't buy us much, but it doesn't do _nothing_ either.

https://github.com/llvm/llvm-project/pull/117125