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library(progressr)
message("without_progress() ...")
x <- 1:10
y0 <- slow_sum(x)
with_progress(y <- slow_sum(x))
without_progress(y <- slow_sum(x))
with_progress(without_progress(y <- slow_sum(x)))
message("without_progress() ... done")
message("without_progress() - return value and visibility ...")
res <- without_progress(x)
stopifnot(identical(x, res))
res <- withVisible(without_progress(x))
stopifnot(identical(res$visible, TRUE))
res <- withVisible(without_progress(y <- x))
stopifnot(identical(res$visible, FALSE))
message("without_progress() - return value and visibility ... done")
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