Slightly simplify and optimize `ipv6_serialize` #365

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
VS 2019 C++20	2m 56s
VS 2022 C++17	1m 58s
VS 2022 C++20	2m 33s
VS 2022 C++23	2m 22s
VS 2022 Clang C++17	3m 18s
VS 2022 Clang C++20	3m 59s
	17m 6s