feat: Use safe accessor to vector elements #4531

	# For help debugging build failures open an issue on the RStudio community with the 'github-actions' tag.
	# https://community.rstudio.com/new-topic?category=Package%20development&tags=github-actions
	on:
	push:
	branches:
	- main
	- fix/*
	pull_request:
	branches:
	- main
	- fix/*
	schedule:
	- cron: '0 2 * * *'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref \|\| github.sha }}-${{ github.base_ref \|\| '' }}
	cancel-in-progress: true

	name: R-CMD-check-extra

	jobs:
	sanitizer:
	runs-on: ubuntu-22.04

	name: Sanitizer

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: apt update
	run: \|
	sudo apt-get update
	sudo apt-get install -y libarpack2-dev
	shell: bash

	- name: run sanitizer
	uses: addnab/docker-run-action@v3
	with:
	image: ghcr.io/krlmlr/rigraph-san:main
	options: --rm --platform linux/amd64 -v ${{ github.workspace }}:/rigraph
	run: \|
	set -e
	printenv
	cd rigraph
	RDcsan CMD INSTALL . --no-byte-compile
	TESTTHAT_PARALLEL=false CI=true RDcsan -q -e 'testthat::test_local(reporter = c("location", "summary"), load_package = "installed")'

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