Nothing
#' Create a new support region vector
#'
#' @param x A list of prototype vectors defining the distribution type.
#' @param limits A list of value limits for the distribution.
#'
new_support_region <- function(x, limits = NULL) {
vctrs::new_rcrd(list(x = x, lim = limits), class = "support_region")
}
#' @export
format.support_region <- function(x, ...) {
type <- vapply(field(x, "x"), function(z) {
out <- if(is.integer(z)) "Z"
else if(is.numeric(z)) "R"
else if(is.complex(z)) "C"
else vec_ptype_abbr(z)
if(is.matrix(z)) {
if(ncol(z) > 1) {
out <- paste(out, ncol(z), sep = "^")
}
}
out
}, FUN.VALUE = character(1L))
mapply(function(type, z) {
if(any(is.na(z)) || all(is.infinite(z))) type
else if (type == "Z" && identical(z[2], Inf)) {
if(z[1] == 0L) "N0" else if (z[2] == 1L) "N+" else paste0("[", z[1], ",", z[1]+1L, ",...,", z[2], "]")
}
else if (type == "R") paste0("[", z[1], ",", z[2], "]")
else if (type == "Z") paste0("[", z[1], ",", z[1]+1L, ",...,", z[2], "]")
else type
}, type, field(x, "lim"))
}
#' @export
vec_ptype_abbr.support_region <- function(x, ...){
"support"
}
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