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#' An multiprocess future is a future whose value will be resolved asynchronously in a parallel process
#'
#' @inheritParams Future-class
#'
#' @param \dots Additional named elements passed to \code{\link{Future}()}.
#'
#' @return An object of class \code{MultiprocessFuture}.
#'
#' @seealso
#' To evaluate an expression using "multiprocess future", see function
#' \code{\link{multiprocess}()}.
#'
#' @export
#' @name MultiprocessFuture-class
#' @keywords internal
MultiprocessFuture <- function(expr = NULL, envir = parent.frame(), substitute = FALSE, ...) {
if (substitute) expr <- substitute(expr)
f <- Future(expr = expr, envir = envir, substitute = FALSE, ...)
structure(f, class = c("MultiprocessFuture", class(f)))
}
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