use crate::format::optional;
use nom::IResult;
pub(crate) fn appname(input: &str) -> IResult<&str, Option<&str>> {
optional(input, true)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_appname() {
let value = appname("syslog").unwrap();
assert_eq!(value, ("", Some("syslog")));
}
}