.onAttach <- function(...) {
if (interactive()) {
msg <- paste0("Using popEpi. See ?popEpi for info and ",
"news(package = \"popEpi\") for news.")
packageStartupMessage(msg)
}
using_r_devel <- grepl(pattern = "devel", x = base::R.version$status)
if (using_r_devel) {
## memory leak problem in data.table 1.11.2 in R-devel (3.6.0 atm)
requireNamespace("data.table")
data.table::setDTthreads(threads = 1L)
}
invisible(NULL)
}
.onLoad <- function(...) {
opt <- getOption("popEpi.datatable")
if (!is.null(opt) && is.logical(opt) && !isTRUE(opt)) {
warning("Option 'popEpi.datatable' was set to TRUE when loading popEpi.",
call. = FALSE)
}
options("popEpi.datatable" = TRUE)
invisible(NULL)
}
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