Add ci to check external types #543

	name: CI Build

	on:
	push:
	branches: [ main ]
	pull_request:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	name: Build and Test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix :
	features: ["", regex]
	os: [ubuntu-latest]
	steps:
	- name: Git Checkout
	uses: actions/checkout@v5
	- name: Rust Toolchain
	uses: dtolnay/rust-toolchain@stable
	- name: Cargo Test
	run: cargo test --workspace --verbose --features "${{ matrix.features }}"

	fmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- run: cargo fmt --check

	clippy:
	name: Run Clippy
	runs-on: ${{ matrix.os }}
	strategy:
	matrix :
	os: [ubuntu-latest]
	steps:
	- uses: actions/checkout@v5
	- name: Rust Toolchain
	uses: dtolnay/rust-toolchain@stable
	- name: Run cargo clippy
	run: cargo clippy --all-targets -- --deny warnings

	semver:
	name: semver
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	- name: Check semver
	uses: obi1kenobi/cargo-semver-checks-action@v2
	with:
	uses: dtolnay/rust-toolchain@stable

	external-types:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: nightly-2025-08-06
	- name: Install cargo-check-external-types
	uses: taiki-e/cache-cargo-install-action@v2
	with:
	tool: [email protected]
	- uses: Swatinem/rust-cache@v2
	- run: cargo check-external-types --all-features

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