add echo command #8

	name: Continuous Integration

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	ci:
	name: CI
	runs-on: ubuntu-latest
	needs: [check, format, clippy]
	if: always()
	steps:
	- name: Done
	run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'

	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v4

	- name: Cache Cargo registry and index
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}

	- name: Cache Cargo build
	uses: actions/cache@v4
	with:
	path: target
	key: ${{ runner.os }}-target-${{ hashFiles('**/Cargo.toml') }}

	- name: Install Rust toolchain
	uses: dtolnay/rust-toolchain@stable

	- name: Run Cargo check
	run: cargo check --all-features

	format:
	name: Format
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v4

	- name: Install Rust toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt

	- name: Check format
	run: cargo fmt --all -- --check

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v4

	- name: Install Rust toolchain
	uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy

	- name: Check clippy
	run: cargo clippy --all-features --all-targets -- -D warnings

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