examples: Minor linter fixes #6

	name: "C++ Lint"

	on:
	push:
	paths-ignore:
	- 'README.md'

	jobs:
	lint:
	name: "clang-tidy"
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: \|
	sudo apt-get update -y
	sudo apt-get -y --no-install-recommends install \
	cmake='3.22.*' \
	gcc-11='11.*' \
	clang-tidy='1:14.*' \
	libboost-filesystem-dev='1.74.*' \
	libboost-python-dev='1.74.*' \
	liblua5.4-dev='5.*' \
	libfmt-dev='8.*' \
	libgmock-dev='1.11.*' \
	libgtest-dev='1.11.*'
	- name: Generate compile_commands.json
	run: \|
	mkdir -pv build
	cd build
	cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ..
	# Check all source and header C++ files;
	# ignore files in the build directory or in hidden directories
	- name: Execute clang-tidy
	run: find . \( \( -path './build' -o -path '/.' \) -prune \) -o
	\( -type f -a \( -iname '.cpp' -o -iname '.h' \) \)
	-exec echo "Linting '{}'..." \;
	-exec clang-tidy -p build --warnings-as-errors='*' {} +

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