Nothing
namer <- function(x, ...){
if (is.null(names(x))) names(x) <- rep("", length(x))
x
}
get_comment <- function(x, ...) {
attributes(x)[["comment"]]
}
is.regex <- function (pattern) {
out <- suppressWarnings(try(gsub(pattern, "", "hello", perl = TRUE),
silent = TRUE))
ifelse(inherits(out, "try-error"), FALSE, TRUE)
}
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