feat(RFC): A richer `Expr` IR #11219

	name: Random Versions

	on:
	pull_request:

	env:
	PY_COLORS: 1
	PYTEST_ADDOPTS: "--numprocesses=logical"

	permissions:
	contents: read

	jobs:
	tox:
	strategy:
	matrix:
	python-version: ["3.10"]
	os: [ubuntu-latest]

	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
	- uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install uv
	uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
	with:
	enable-cache: "true"
	cache-suffix: pytest-random-ci-${{ matrix.python-version }}
	cache-dependency-glob: "pyproject.toml"
	- name: generate-random-versions
	run: python utils/generate_random_versions.py
	- name: install-random-versions
	run: uv pip install -r random-requirements.txt --system
	- name: install-narwhals
	run: uv pip install -e . --group tests --system
	- name: show versions
	run: uv pip freeze
	- name: Run pytest
	run: \|
	pytest tests --cov=src --cov=tests --cov-fail-under=75 \
	--constructors=pandas,pyarrow,polars[eager],polars[lazy]

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