Clang tidy fixes #13

Job	Run time
ubuntu-latest	1m 50s
windows (windows-2019)	14m 55s
macos (macos-14, Debug)	1m 18s
linux (ubuntu:20.04, Debug, g++, 14)	2m 17s
windows (windows-2022)	16m 2s
macos (macos-15, Debug)	1m 34s
linux (ubuntu:22.04, Debug, g++, 14)	1m 56s
macos (macos-14, Release)	1m 33s
linux (ubuntu:24.04, Debug, g++, 14)	2m 0s
linux (debian:buster, Debug, g++, 14)	1m 57s
linux (debian:bullseye, Debug, g++, 14)	2m 2s
linux (debian:bookworm, Debug, g++, 14)	2m 19s
linux (debian:testing, Debug, g++, 14)	2m 5s
linux (debian:experimental, Debug, g++, 14)	2m 10s
linux (fedora:39, Debug, g++, 14)	2m 23s
linux (fedora:40, Debug, g++, 14)	2m 10s
linux (fedora:41, Debug, g++, 14)	2m 15s
linux (debian:bullseye, 17)	2m 3s
linux (debian:bullseye, 20)	2m 33s
linux (debian:bullseye, clang++, 14, clang)	2m 3s
linux (debian:bullseye, clang++, 17, clang)	2m 17s
linux (debian:bullseye, clang++, 20, clang)	2m 43s
linux (debian:bullseye, Release)	2m 47s
linux (debian:bullseye, clang++, clang)	2m 6s
linux (debian:bullseye, clang++, clang, std::string_view)	2m 4s
linux (debian:bookworm, clang++, clang)	1m 55s
linux (debian:testing, clang++, clang, -Wno-c++20-extensions)	2m 1s
linux (debian:experimental, clang++, clang, -Wno-c++20-extensions)	2m 9s
	1h 25m 27s

Provide feedback