Lint

Compare loop semantics with Ruby implementation #140

	name: Lint

	on:
	push:
	branches: [ main, master ]
	pull_request:
	branches: [ main, master ]

	permissions:
	contents: read
	# Optional: allow read access to pull request. Use with `only-new-issues` option.
	pull-requests: read

	jobs:
	golangci:
	name: lint
	runs-on: ubuntu-latest

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

	- name: Install Go
	uses: actions/setup-go@v5
	with:
	go-version: 1.23.x

	- name: Install golangci-lint
	run: \|
	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin v2.4.0
	echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

	- name: Run golangci-lint
	run: \|
	# For PRs, only check new issues
	if [ "${{ github.event_name }}" = "pull_request" ]; then
	golangci-lint run --new-from-rev=${{ github.event.pull_request.base.sha }}
	else
	golangci-lint run
	fi
	env:
	# Ensure colored output for better readability
	FORCE_COLOR: true

	# Optional: if set to true, then all caching functionality will be completely disabled,
	# takes precedence over all other caching options.
	# skip-cache: true

	# Optional: if set to true, then the action won't cache or restore ~/go/pkg.
	# skip-pkg-cache: true

	# Optional: if set to true, then the action won't cache or restore ~/.cache/go-build.
	# skip-build-cache: true

	# Optional: The mode to install golangci-lint. It can be 'binary' or 'goinstall'.
	# install-mode: "goinstall"

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