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`%||%` <- function(l, r) if (is.null(l)) r else l
sort_ci <- function(x) {
old <- Sys.getlocale("LC_COLLATE")
on.exit(Sys.setlocale("LC_COLLATE", old), add = TRUE)
Sys.setlocale("LC_COLLATE", "C")
x[order(tolower(x), x)]
}
is_string <- function(x) {
is.character(x) && length(x) == 1 && !is.na(x)
}
is_flag <- function(x) {
is.logical(x) && length(x) == 1 && !is.na(x)
}
order_by_name <- function(x) {
if (!length(x)) {
x
} else if (is.null(names(x))) {
stop("Cannot order by name, no names")
} else {
x[order(names(x))]
}
}
drop_null <- function(x) {
x[! vapply(x, is.null, logical(1))]
}
last <- function(x) {
x[length(x)]
}
empty <- function(x) {
grepl("^\\s*$", x)
}
str_trim <- function(x, width) {
stopifnot(width >= 2)
if (nchar(x) <= width) {
x
} else {
paste0(substr(x, 1, width - 1), "~")
}
}
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