R/index.R

In jameelalsalam/indexvctrs: Exploration of a DSL for Operations on Indexed Vectors

Defines functions idx_cols

Documented in idx_cols

#' Retrieve index columns of an idx_tbl
#'
#' @param x an idx_tbl
#' @export
idx_cols <- function(x) {
  stopifnot(inherits(x, "idx_tbl"))
  attr(x, "idx_cols")
}