Nothing
renv_progress_create <- function(max, wait = 1.0) {
# local variables for closure
count <- 0L
max <- max
message <- ""
start <- Sys.time()
function() {
# check for and print progress
count <<- count + 1L
# if not enough time has elapsed yet, nothing to do
if (Sys.time() - start < wait)
return()
# create message
backspaces <- paste(rep("\b", nchar(message)), collapse = "")
message <<- sprintf("[%i/%i] ", count, max)
all <- paste(backspaces, message, sep = "")
cat(all, file = stdout(), sep = "")
}
}
renv_progress_callback <- function(callback, max, wait = 1.0) {
tick <- renv_progress_create(max, wait)
function(...) { tick(); callback(...) }
}
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