format using cargo fmt --all #12

	name: Test TSP Solver

	on: [push, pull_request]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	test:
	name: Test - ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]

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

	- name: Setup Rust
	uses: dtolnay/rust-toolchain@stable

	- name: Cache cargo registry
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	target/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: \|
	${{ runner.os }}-cargo-

	- name: Build
	run: cargo build --release

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

	- name: Test with 5 cities
	run: cargo run --release -- 5 42

	- name: Test with 7 cities
	run: cargo run --release -- 7 123

	- name: Test with 10 cities (with threads)
	run: cargo run --release -- 10 42 4

	- name: Verify binary exists
	shell: bash
	run: \|
	if [[ "${{ matrix.os }}" == "windows-latest" ]]; then
	test -f target/release/tsp_solver.exe && echo "✓ Binary found"
	else
	test -f target/release/tsp_solver && echo "✓ Binary found"
	fi

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

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

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