r/R/arrow-package.R

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#' @importFrom R6 R6Class
#' @importFrom purrr map map_int map2
#' @importFrom assertthat assert_that
#' @importFrom rlang list2 %||% is_false abort dots_n warn enquo quo_is_null enquos
#' @importFrom Rcpp sourceCpp
#' @importFrom tidyselect vars_select
#' @useDynLib arrow, .registration = TRUE
#' @keywords internal
"_PACKAGE"

#' Is the C++ Arrow library available?
#'
#' You won't generally need to call this function, but it's here in case it
#' helps for development purposes.
#' @return `TRUE` or `FALSE` depending on whether the package was installed
#' with the Arrow C++ library. If `FALSE`, you'll need to install the C++
#' library and then reinstall the R package. See [install_arrow()] for help.
#' @export
#' @examples
#' arrow_available()
arrow_available <- function() {
  .Call(`_arrow_available`)
}

option_use_threads <- function() {
  !is_false(getOption("arrow.use_threads"))
}