Add File module #39

	name: check

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

	# only read-only for GITHUB_TOKEN
	permissions:
	contents: read

	# cancel old jobs since their results will be discarded anyway
	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	fmt:
	runs-on: ubuntu-latest
	name: stable / fmt
	steps:
	- uses: actions/checkout@v4
	- name: Install stable rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- name: cargo fmt --check
	run: cargo fmt --check

	clippy:
	runs-on: ubuntu-latest
	name: ${{ matrix.toolchain }} / clippy
	permissions:
	contents: read
	checks: write
	strategy:
	fail-fast: false
	matrix:
	# Get early warning of new lints which are regularly introduced in beta channels.
	toolchain: [stable, beta]
	steps:
	- uses: actions/checkout@v4
	- name: Install ${{ matrix.toolchain }} rust
	uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.toolchain }}
	components: clippy
	- name: cargo clippy
	uses: giraffate/clippy-action@v1
	with:
	reporter: 'github-pr-check'
	github_token: ${{ secrets.GITHUB_TOKEN }}

	hack:
	runs-on: ubuntu-latest
	name: ubuntu / stable / features
	steps:
	- uses: actions/checkout@v4
	- name: Install stable
	uses: dtolnay/rust-toolchain@stable
	- name: cargo install cargo-hack
	uses: taiki-e/install-action@cargo-hack
	- name: cargo hack
	run: cargo hack --feature-powerset --no-dev-deps check

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