add decode_len and decode_len_unsafe and update dependencies #82

	on: [push, pull_request]

	name: Continuous integration

	jobs:
	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: check

	test:
	name: Test Suite
	if: "!contains(github.event.head_commit.message, '[ci skip]')"
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	target_cpu: [penryn, znver1, native]
	exclude:
	- os: macos-latest
	target_cpu: penryn
	- os: macos-latest
	target_cpu: znver1
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- name: "Set env"
	shell: bash
	run: \|
	if [ ${{ matrix.target_cpu }} = "native" ]; then
	echo "CARGO_EXTRA_ARGS='--features native-optimizations" >> $GITHUB_ENV
	fi
	- uses: actions-rs/cargo@v1
	env:
	RUSTFLAGS: "-C target-cpu=${{ matrix.target_cpu }}"
	with:
	command: test
	args: "${{ env.CARGO_EXTRA_ARGS }}"

	fmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- run: rustup component add rustfmt
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- run: rustup component add clippy
	- uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: -- -D warnings

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