Option to accept evaluated arguments

[lionel-]

When switched on, this:

f <- function(x) {
  force(x)
  enexpr(x)
}
f(foo)

Would be equivalent to this:

f <- function(x) {
  enexpr(x)
}
f(!! foo)

[lionel-]

Useful for this sort of situation:

lapply(1:2, tibble::tibble)