lionel-

  ###  Install monad-aware magrittr

devtools::dev_mode(TRUE)
devtools::install_github("lionel-/magrittr", ref = "monads")


  ###  Monadic Infrastructure

bind <- function(x, fun, ...) {
  UseMethod("bind")

lionel-

set_groups <- function(.d, .cols = NULL) {
  stopifnot(is.data.frame(.d))
  if (is.null(.cols)) {
    return(group_by_(.d, .dots = list()))
  }

  if (is.numeric(.cols)) {
    .cols <- names(.d)[.cols]
  }
  .cols %>% map_call(dplyr::group_by_, .data = .d)

lionel-

remap <- function(.x, .f, ...) {
  .f <- lowliner:::as_function(.f)

  if (inherits(.f, "fseq")) {
    # Handle magrittr's functional sequences
    f_env <- environment(.f)
    f_env$`_function_list` <- map(f_env$`_function_list`, ~ {
      env <- new.env(parent = environment(.))
      environment(.) <- env
      .