Remove iostream from app demo #21

	name: clang-format

	on:
	push:
	branches: [ master ]
	paths:
	- '*/.cpp'
	- '*/.hpp'
	- '.clang-format'
	- 'cmake/Tooling.cmake'
	- '.github/workflows/clang-format.yml'

	pull_request:
	branches: [ master ]
	paths:
	- '*/.cpp'
	- '*/.hpp'
	- '.clang-format'
	- 'cmake/Tooling.cmake'
	- '.github/workflows/clang-format.yml'

	workflow_dispatch:

	jobs:
	format-check:
	name: Check clang-format
	runs-on: ubuntu-latest
	env:
	CMAKE_PRESET_NAME: gcc-Release

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with: { fetch-depth: 0 }

	- name: Install CMake and Ninja
	uses: lukka/get-cmake@latest
	with:
	cmakeVersion: ^3.28.0
	ninjaVersion: ^1.11.0

	- name: Install dependencies
	run: \|
	sudo apt-get -qq update
	sudo apt-get -qq install -y g++ gcc clang-format --no-install-recommends

	- name: Cache build artifacts
	id: cache-build
	uses: actions/cache@v4
	with:
	path: build/
	key: \|
	${{ runner.os }}-clang-format-${{ hashFiles('**/.clang-format','cmake/Tooling.cmake') }}
	restore-keys: \|
	${{ runner.os }}-clang-format-

	- name: Configure with CMake Preset
	run: cmake --preset $CMAKE_PRESET_NAME -DENABLE_CLANG_FORMAT=ON

	- name: Run clang-format
	run: cmake --build --preset $CMAKE_PRESET_NAME --target format-check

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