---
title: "Standard Library: Higher-Order Functions"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{Standard Library: Higher-Order Functions}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

Source and arl chunks are in `lang-functional.Rmd.orig`.