R/missingCh.R

Defines functions missingCh

Documented in missingCh

missingCh <- function(x, envir = parent.frame()) {
    stopifnot(is.character(x))
    eval(substitute(missing(VAR), list(VAR=as.name(x))),
         envir = envir)
}

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sfsmisc documentation built on May 29, 2024, 3:43 a.m.