drake_deps helper — drake_deps • drake

Static code analysis.

Usage

drake_deps(expr, exclude = character(0), restrict = NULL)

Arguments

expr: An R expression
exclude: Character vector of the names of symbols to exclude from the code analysis.
restrict: Optional character vector of allowable names of globals. If NULL, all global symbols are detectable. If a character vector, only the variables in restrict will count as global variables.

Value

A drake_deps object.

Examples

if (FALSE) { # stronger than roxygen dontrun
expr <- quote({
  a <- base::list(1)
  b <- seq_len(10)
  file_out("abc")
  file_in("xyz")
  x <- "123"
  loadd(abc)
  readd(xyz)
})
drake_deps(expr)
}