c(
    person("Hadley", "Wickham", , "hadley@rstudio.com", role = "aut"),
    person("Jim", "Hester", , "jim.hester@rstudio.com", role = c("aut", "cre")),
    person("Kirill", "Müller", , "krlmlr+r@mailbox.org", role = "aut"),
    person("Daniel", "Cook", , "danielecook@gmail.com", role = "aut"))
Cache the results of a function so that when you call it
    again with the same arguments it returns the pre-computed value.
Hadley Wickham [aut],
  Jim Hester [aut, cre],
  Kirill Müller [aut],
  Daniel Cook [aut]