fct_to_chr <- function(d) map_if(d,is.factor,as.character) %>% as_tibble
num_to_chr <- function(d) map_if(d,is.numeric,as.character) %>% as_tibble
#' @export
`%||%` <- function (x, y)
{
if (is.empty(x))
return(y)
else if (is.null(x) || is.na(x))
return(y)
else if (class(x) == "character" && nchar(x) == 0)
return(y)
else x
}
is.empty <- function (x)
{
!as.logical(length(x))
}
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