Tests

clean up repetitive into_iter #1028

	name: Tests

	permissions:
	contents: read

	on: push

	# see https://matklad.github.io/2021/09/04/fast-rust-builds.html
	env:
	CARGO_TERM_COLOR: always
	CARGO_INCREMENTAL: 0
	CARGO_NET_RETRY: 10
	CI: 1
	RUST_BACKTRACE: short
	RUSTFLAGS: "-W rust-2021-compatibility"
	RUSTUP_MAX_RETRIES: 10
	CARGO_MUTANTS_MINIMUM_TEST_TIMEOUT: 60

	jobs:
	build:
	strategy:
	matrix:
	os: [macOS-latest, ubuntu-latest, windows-latest]
	version: [stable, nightly, "1.70"]

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

	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.version }}
	components: rustfmt
	- name: Show Cargo and rustc version
	run: \|
	cargo --version
	rustc --version
	- uses: Swatinem/rust-cache@v2
	- name: rustfmt
	run: cargo fmt --all -- --check
	- name: Build
	run: cargo build --all-targets
	- name: Test
	run: cargo test --workspace

	cargo-mutants:
	runs-on: ubuntu-latest
	needs: build
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: beta
	- uses: Swatinem/rust-cache@v2
	- run: cargo install --path .
	- name: Mutants
	run: \|
	cargo mutants --no-shuffle --exclude console.rs -j 2
	- name: Archive mutants.out
	uses: actions/upload-artifact@v3
	if: always()
	with:
	name: mutants.out
	path: mutants.out

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