feat: add datum_either and contrib/dux #206

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	# This workflow will install Deno and run tests across stable and nightly builds on Windows, Ubuntu and macOS.
	# For more information see: https://github.com/denolib/setup-deno

	name: Deno

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	check-format:
	runs-on: ${{ matrix.os }} # runs a test on Ubuntu, Windows and macOS

	strategy:
	matrix:
	deno: ["v1.41.1"]
	os: [ubuntu-latest]

	steps:
	- name: Setup repo
	uses: actions/checkout@v2

	- name: Setup Deno
	uses: denoland/setup-deno@v1
	with:
	deno-version: ${{ matrix.deno }}

	- name: Run Deno Check Formatting
	run: deno fmt --check

	test:
	runs-on: ${{ matrix.os }} # runs a test on Ubuntu, Windows and macOS

	strategy:
	matrix:
	deno: ["v1.41.1"]
	# os: [macOS-latest, windows-latest, ubuntu-latest]
	os: [ubuntu-latest]

	steps:
	- name: Setup repo
	uses: actions/checkout@v2

	- name: Setup Deno
	uses: denoland/setup-deno@v1
	with:
	deno-version: ${{ matrix.deno }}

	- name: Run Deno Tests
	run: deno test --doc --parallel --coverage=coverage

	- name: Generate Coverage
	run: deno coverage --unstable ./coverage --lcov > ./coverage/lcov.info

	- name: Coveralls
	uses: coverallsapp/github-action@master
	with:
	flag-name: run-${{ matrix.deno }}-${{ matrix.os }}
	github-token: ${{ secrets.GITHUB_TOKEN }}
	base-path: /

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