[Bug c++/109688] SPDLOG build fails with C++20 and -DSPDLOG_USE_STD_FORMAT=1

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109688

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |INVALID

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
https://github.com/gabime/spdlog/blob/e593f6695c6065e6b345fe2862f04a519ed484e0/example/example.cpp#L283

This function needs to be const as Tim noticed.