paleolimbot commented on a change in pull request #12633:
URL: https://github.com/apache/arrow/pull/12633#discussion_r828279264
##########
File path: r/R/config.R
##########
@@ -40,5 +42,7 @@ io_thread_count <- function() {
#' @param num_threads integer: New number of threads for thread pool
#' @export
set_io_thread_count <- function(num_threads) {
+ current_io_thread_count <- io_thread_count()
SetIOThreadPoolCapacity(as.integer(num_threads))
+ invisible(current_io_thread_count)
Review comment:
That was the idea...many other options setting things do this in R
(although if it's confusing it's easy to remove it).
``` r
(par(cex = 23))
#> $cex
#> [1] 1
(options(width = 123))
#> $width
#> [1] 80
```
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