feat add chr lookup #111

	name: Checks
	on: [push, pull_request]
	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.11', '3.12', '3.13']
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install uv
	uses: astral-sh/setup-uv@v6
	with:
	enable-cache: true

	- name: Install dependencies
	run: uv sync --extra tests

	- name: Run tests
	run: uv run pytest
	python-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11

	- name: Install uv
	uses: astral-sh/setup-uv@v6
	with:
	enable-cache: true

	- name: Install dependencies
	run: uv sync --extra dev

	- name: Check style
	run: uv run ruff check && uv run ruff format --check
	rust-lint:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./rust
	steps:
	- uses: actions/checkout@v4

	- name: Update Rust
	run: rustup update stable && rustup default stable

	- name: Install rustfmt
	run: rustup component add rustfmt

	- run: cargo fmt -- --check

	precommit_hooks:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	cmd:
	- "end-of-file-fixer"
	- "trailing-whitespace"
	- "mixed-line-ending"
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python 3.12
	uses: actions/setup-python@v5
	with:
	python-version: 3.12

	- uses: pre-commit/action@v3.0.1
	with:
	extra_args: ${{ matrix.cmd }} --all-files

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