diff options
Diffstat (limited to 'library/std/src/io/stdio.rs')
| -rw-r--r-- | library/std/src/io/stdio.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/library/std/src/io/stdio.rs b/library/std/src/io/stdio.rs index 91cff3217d2..2dc12a18a8a 100644 --- a/library/std/src/io/stdio.rs +++ b/library/std/src/io/stdio.rs @@ -992,6 +992,9 @@ pub fn set_output_capture(sink: Option<LocalStream>) -> Option<LocalStream> { /// the global stream. /// /// However, if the actual I/O causes an error, this function does panic. +/// +/// Writing to non-blocking stdout/stderr can cause an error, which will lead +/// this function to panic. fn print_to<T>(args: fmt::Arguments<'_>, global_s: fn() -> T, label: &str) where T: Write, |