Fix return value is the function signature #117

	name: ci

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	ci:
	env:
	MIX_ENV: test
	strategy:
	fail-fast: false
	matrix:
	include:
	- pair:
	elixir: 1.14.5
	otp: 24.3.4
	- pair:
	elixir: 1.15.7
	otp: 24.3.4
	- pair:
	elixir: 1.16.1
	otp: 24.3.4
	- pair:
	elixir: 1.14.5
	otp: 25.3.2
	- pair:
	elixir: 1.15.7
	otp: 25.3.2
	- pair:
	elixir: 1.16.1
	otp: 25.3.2
	- pair:
	elixir: 1.14.5
	otp: 26.2.2
	- pair:
	elixir: 1.15.7
	otp: 26.2.2
	- pair:
	elixir: 1.16.1
	otp: 26.2.2
	lint: lint

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- uses: erlef/setup-beam@v1
	with:
	otp-version: ${{matrix.pair.otp}}
	elixir-version: ${{matrix.pair.elixir}}

	- uses: actions/cache@v2
	with:
	path: \|
	deps
	_build
	key: ${{ runner.os }}-mix-${{matrix.pair.elixir}}-${{matrix.pair.otp}}-${{ hashFiles('**/mix.lock') }}
	restore-keys: \|
	${{ runner.os }}-mix-${{matrix.pair.elixir}}-${{matrix.pair.otp}}-

	- name: Run mix deps.get
	run: mix deps.get --only test

	- name: Run mix format
	run: mix format --check-formatted
	if: ${{ matrix.lint }}

	- name: Run mix deps.compile
	run: mix deps.compile

	- name: Run mix compile
	run: mix compile --warnings-as-errors
	if: ${{ matrix.lint }}

	- name: Run credo
	run: mix credo --strict
	if: ${{ matrix.lint }}

	- name: Run mix test
	run: mix test

	- name: Run dialyzer
	run: mix dialyzer
	if: ${{ matrix.lint }}

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