R/class_list.R

In targets: Dynamic Function-Oriented 'Make'-Like Declarative Pipelines

Defines functions value_produce_aggregate.tar_list value_produce_slice.tar_list value_count_slices.tar_list list_new

list_new <- function(object = NULL) {
  enclass(environment(), c("tar_list", "tar_value"))
}

#' @export
value_count_slices.tar_list <- function(value) {
  length(value$object)
}

#' @export
value_produce_slice.tar_list <- function(value, index) {
  value$object[[index]]
}

#' @export
value_produce_aggregate.tar_list <- function(value, objects) { #nolint
  objects
}

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