Macro async_std::eprint [−][src]
macro_rules! eprint {
($($arg : tt) *) => { ... };
}
This is supported on
unstable
only.Expand description
Prints to the standard error.
Equivalent to the print!
macro, except that output goes to
io::stderr
instead of io::stdout
. See print!
for
example usage.
Use eprint!
only for error and progress messages. Use print!
instead for the primary output of your program.
Panics
Panics if writing to io::stderr
fails.
Examples
use async_std::eprint;
eprint!("Error: Could not complete task").await;