lib.rs: doc: rework #63

	on:
	push:
	branches: [main, staging, trying]
	pull_request:
	branches: [main]
	merge_group:
	workflow_dispatch:

	name: Continuous integration

	jobs:
	test:
	name: test
	runs-on: ubuntu-latest
	env: {"RUSTFLAGS": "-D warnings"}
	strategy:
	matrix:
	target:
	- x86_64-unknown-linux-gnu
	- i686-unknown-linux-musl
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: stable
	target: ${{ matrix.target }}
	- run: cargo test --target=${{ matrix.target }}

	style:
	name: style
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- name: cargo fmt --check
	run: cargo fmt --all -- --check

	clippy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- run: cargo clippy --all --all-targets -- --deny warnings

	rustdoc:
	name: rustdoc
	runs-on: ubuntu-latest
	env: {"RUSTDOCFLAGS": "-D warnings"}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	# docs.rs builds documentation with:
	# - nightly rust
	# - all features
	# - cargo rustdoc, not cargo doc
	- run: cargo +nightly rustdoc --all-features

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