refactor: add missing explicit this #619

	name: clang-format

	on: push

	jobs:
	check-formatting:
	runs-on: ubuntu-latest
	defaults:
	run:
	shell: bash -l {0}
	steps:
	- uses: actions/checkout@v4

	- name: Cache conda packages
	uses: actions/cache@v4
	env:
	CACHE_VERSION: 0
	with:
	path: ~/conda_pkgs_dir
	key: conda-v${{ env.CACHE_VERSION }}-${{ runner.os }}-${{ hashFiles('environment.yml') }}

	- uses: conda-incubator/setup-miniconda@v3
	with:
	activate-environment: opzioni
	auto-activate-base: false
	environment-file: environment.yml
	channels: conda-forge
	conda-remove-defaults: "true"

	- name: Check examples/
	run: clang-format --dry-run --verbose -Werror examples/*.cpp
	if: always()

	- name: Check include/
	run: clang-format --dry-run --verbose -Werror include/opzioni/*.hpp
	if: always()

	- name: Check src/
	run: clang-format --dry-run --verbose -Werror src/*.cpp
	if: always()

	- name: Check tests/
	run: clang-format --dry-run --verbose -Werror tests/*.cpp
	if: always()

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