implement Length #168

	name: Continuous Integration

	on:
	push:
	branches:
	- '**'

	jobs:
	ci:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true

	- name: Run cargo build
	run: cargo build --release

	- name: Run tests
	run: cargo test --release

	- name: Check formatting
	run: cargo fmt -- --check

	- name: Run clippy
	run: cargo clippy -- -D warnings

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