Function rocket::mtls::x509::der_parser::asn1_rs::nom::combinator::fail
source ยท pub fn fail<I, O, E>(i: I) -> Result<(I, O), Err<E>>where
E: ParseError<I>,
Available on crate feature
mtls
only.Expand description
A parser which always fails.
use nom::combinator::fail;
let s = "string";
assert_eq!(fail::<_, &str, _>(s), Err(Err::Error((s, ErrorKind::Fail))));