update to use array index operator notation #14

	on:
	push:
	branches:
	- master
	pull_request:

	name: run tests
	jobs:
	test:

	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Lint
	uses: RafikFarhad/[email protected]
	with:
	sources: "src/*/.h,src/*/.cpp"

	- name: Cache pip
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: ${{ runner.os }}-pip-

	- name: Cache PlatformIO
	uses: actions/cache@v2
	with:
	path: ~/.platformio
	key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}

	- name: Set up Python
	uses: actions/setup-python@v2

	- name: Install PlatformIO
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade platformio

	- name: Run CI
	run: platformio ci --lib="./src" -c platformio.ini ./examples/simple/

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