Add code coverage to GitHub Actions #114

	---
	name: Rust

	on:
	push:
	branches: [ "main" ]
	paths:
	- 'Cargo.toml'
	- 'Cargo.lock'
	- 'src/**'
	- '.github/workflows/rust.yml'
	pull_request:
	branches: [ "main" ]
	paths:
	- 'Cargo.toml'
	- 'Cargo.lock'
	- 'src/**'
	- '.github/workflows/rust.yml'

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	name: Build and Test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ ubuntu-latest, macos-latest, windows-latest ]
	steps:
	- uses: actions/checkout@v4
	- name: Check format
	run: cargo fmt --check
	- name: Build
	run: cargo build --verbose
	- uses: taiki-e/install-action@nextest
	- name: Run tests
	run: cargo nextest run --verbose --all-features
	- name: Run doctests
	run: cargo test --doc --verbose --all-features

	codecov:
	name: Code Coverage
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Build
	run: cargo build --verbose
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: llvm-tools-preview
	- name: Install cargo-llvm-cov
	uses: taiki-e/install-action@cargo-llvm-cov
	- name: Install nextest
	uses: taiki-e/install-action@nextest
	- name: Generate code coverage
	run: cargo llvm-cov nextest --all-features --workspace --lcov --output-path lcov.info
	- name: Upload coverage to Codecov
	uses: codecov/[email protected]
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: lcov.info
	fail_ci_if_error: true

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