R/desc_ex.R

In Ilia-Kosenkov/RLibs: RLibs

#   MIT License
#
#   Copyright(c) 2017-2019 Ilia Kosenkov [ilia.kosenkov.at.gm@gmail.com]
#
#   Permission is hereby granted, free of charge, to any person obtaining a copy
#   of this software and associated documentation files(the "Software"), to deal
#   in the Software without restriction, including without limitation the rights
#   to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
#   copies of the Software, and to permit persons to whom the Software is
#   furnished to do so, subject to the following conditions:
#
#   The above copyright notice and this permission
#   notice shall be included in all
#   copies or substantial portions of the Software.
#
#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
#   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
#   DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
#   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
#   THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#' desc_ex
#'
#' @param f A sorting object to inverse (a collection or a function)
#'
#' @return Modified colelction / function
#' @export
desc_ex <- function(f) {
    if (rlang::is_function(f) || rlang::is_formula(f))
        return(function(x, ...) desc(f(x, ...)))

    return(desc(f))
}