docs: enhance code documentation #1253

	# This workflow _produces_ a cache that is used to speed up pull request builds.
	#
	# Our CI runs a job per crate, meaning all jobs share compilation artifacts but never the full cache.
	# Thus, we make a single cache here that is used by all jobs and the jobs only read from this cache.

	name: Cache factory

	on:
	push:
	branches:
	- master # Caches are only created on master branch.

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	make_stable_rust_cache:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: dtolnay/rust-toolchain@stable

	- uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
	with:
	shared-key: stable-cache

	- name: Compile workspace with stable Rust
	run: cargo test --all-features --all-targets --workspace --no-run

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