Implement `Duration::round` and some general updates/fixes #31

	name: Rust - Continuous integration

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

	concurrency:
	# Allow one run at a time for PRs, but multiple for other invocations
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true


	env:
	RUSTFLAGS: -Dwarnings
	CARGO_TERM_COLOR: always

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy, rustfmt
	- uses: Swatinem/rust-cache@v2
	with:
	key: lint
	- name: Check rustfmt
	run: cargo fmt --all -- --check
	- name: Check clippy
	run: cargo clippy --all-targets --all-features

	build-test:
	name: Test (${{ matrix.rust.name }}, ${{ matrix.os }})
	strategy:
	matrix:
	rust:
	# possibly add the MSRV here
	- { version: stable, name: stable }
	os: [ubuntu-latest, macos-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust.version }}
	- uses: Swatinem/rust-cache@v2
	with:
	key: build-test
	- name: Cargo build
	run: cargo build --quiet
	- name: Install latest nextest
	uses: taiki-e/install-action@nextest
	- name: Test
	run: cargo test

	docs:
	name: Documentation
	runs-on: ubuntu-latest
	env:
	RUSTDOCFLAGS: -D warnings
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	with:
	key: docs
	- name: Generate documentation
	run: cargo doc -v --document-private-items --all-features

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