uniontraits: check for Union type via a concrete instance #169

	name: CI
	on: [push, pull_request]

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	branch: [devel]

	name: "Nim ${{ matrix.branch }}"
	runs-on: ubuntu-latest

	defaults:
	run:
	shell: bash
	working-directory: union

	steps:
	- name: Checkout
	uses: actions/checkout@v3.5.3
	with:
	path: union

	- name: Setup Nim
	uses: alaviss/setup-nim@0.1.1
	with:
	path: nim
	version: ${{ matrix.branch }}

	- name: Install dependencies
	run: nimble install -y --depsOnly

	- name: Run tests
	run: nimble test -y

	- name: Build docs
	shell: bash
	run: \|
	branch=${{ github.ref }}
	branch=${branch##*/}
	for i in *.nim; do
	nimble doc --project --outdir:htmldocs \
	'--git.url:https://github.com/${{ github.repository }}' \
	'--git.commit:${{ github.sha }}' \
	"--git.devel:$branch" \
	"$i"
	done
	# Ignore failures for older Nim
	cp htmldocs/{the,}index.html \|\| true

	- uses: actions/upload-pages-artifact@v2.0.0
	with:
	path: union/htmldocs

	deploy:
	if: github.ref_name == 'main'
	name: Deploy docs to Github Pages
	needs: build

	permissions:
	pages: write
	id-token: write

	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	runs-on: ubuntu-latest
	steps:
	- id: deployment
	uses: actions/deploy-pages@v2.0.3

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