add experimental function for flex parse sharing #990

	---
	name: Haskell CI

	on:
	push:
	branches: ['**']
	pull_request:
	branches: ['**']

	jobs:
	build_and_test:
	strategy:
	matrix:
	os: [ubuntu-latest]
	plan:
	- {build: stack}

	runs-on: ${{ matrix.os }}

	timeout-minutes: 30

	steps:
	- uses: actions/checkout@v4

	- name: Cache Stack
	id: cache-stack-unix
	uses: actions/cache@v4
	with:
	path: ~/.stack
	key: ${{ matrix.os }}-${{ matrix.plan.build }}-stack-home-${{ hashFiles('stack.yaml') }}-${{ hashFiles('package.yaml') }}

	- name: Setup stack
	uses: haskell-actions/setup@v2
	with:
	enable-stack: true
	stack-no-global: true

	- name: Install dependencies
	run: \|
	set -ex
	stack --no-terminal --install-ghc test --bench --only-dependencies
	set +ex
	env:
	BUILD: ${{ matrix.plan.build }}

	- name: Build and test
	run: \|
	set -ex
	stack --no-terminal test --coverage --bench --no-run-benchmarks --haddock --no-haddock-deps
	set +ex
	env:
	BUILD: ${{ matrix.plan.build }}

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