Introduce visitor pattern #260

	name: CI

	on:
	- push
	- pull_request

	jobs:
	# Run unit tests
	build:
	strategy:
	matrix:
	os: [ubuntu-22.04]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v2
	- uses: actions/cache@v2
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- name: Set up Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true

	- name: Set up the Linux env
	run: \|
	set -eux
	sudo apt install -y libgc-dev

	- name: Cache LLVM and Clang
	id: cache-llvm
	uses: actions/cache@v3
	with:
	path: \|
	C:/Program Files/LLVM
	./llvm
	key: llvm-16.0
	- name: Install LLVM and Clang
	uses: KyleMayes/install-llvm-action@v1
	with:
	version: "16.0"
	cached: ${{ steps.cache-llvm.outputs.cache-hit }}

	- name: Output versions
	run: \|
	set -eux
	rustc --version
	cargo --version
	clang --version

	- name: Build and test
	run: \|
	set -eux
	cd lib/skc_rustlib; cargo build; cd ../../
	env -- cargo run -- build-corelib
	env -- cargo test
	env -- bash release_test.sh

	# Run cargo fmt --all -- --check
	format:
	name: Format
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v2
	- name: Install stable toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	profile: minimal
	components: rustfmt
	override: true
	- name: Run cargo fmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

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