Function nom_greedyerror::error_position
source · pub fn error_position<T: Position, E>(e: &GreedyError<T, E>) -> Option<usize>
Expand description
get the deepest error position
Examples found in repository?
examples/nom7.rs (line 38)
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fn main() {
// VerboseError failed at
// abc012:::
// ^
let error = parser::<VerboseError<Span>>(Span::new("abc012:::"));
dbg!(&error);
match error {
Err(Error(e)) => assert_eq!(e.errors.first().map(|x| x.0.position()), Some(0)),
_ => (),
};
// GreedyError failed at
// abc012:::
// ^
let error = parser::<GreedyError<Span, ErrorKind>>(Span::new("abc012:::"));
dbg!(&error);
match error {
Err(Error(e)) => assert_eq!(error_position(&e), Some(6)),
_ => (),
};
}