Add more constructors for CowArc #25

	name: Continuous integration

	on:
	push:
	pull_request:
	branches: [main]

	jobs:
	test:
	name: Test Suite
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- name: Test
	run: cargo test

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

	clippy:
	name: Clippy
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- name: Clippy
	run: cargo clippy -- -D warnings

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