1#' Left strip a string.
2#'
3#' Return a copy of the string with leading characters removed.
4#'
5#' The \code{chars} argument is a string specifying the set of characters to be removed.
6#' If omitted, the \code{chars} argument defaults to removing whitespace.
7#' The \code{chars} argument is not a prefix; rather, all combinations of its values are stripped.
8#'
9#' @param str A character vector.
10#' @param chars A character string.
11#'
12#' @return A character vector.
13#'
14#' @references \url{https://docs.python.org/3/library/stdtypes.html#str.lstrip}
15#'
16#' @seealso \code{\link{pystr_rstrip}}
17#'
18#' @examples
19#' pystr_lstrip("     spacious    ")
20#' pystr_lstrip("www.example.com", "w.")
21#'
22#' @export
23pystr_lstrip <- function(str, chars=" ") {
24  return( pystr_lstrip_(str,chars) )
25}
26