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use super::parser::ParserError;
use std::error::Error;
use std::fmt::{self, Display};
/// Enum with errors that can be returned by LanguageIdentifier.
#[derive(Debug, PartialEq)]
pub enum LanguageIdentifierError {
/// An unknown error - currently covers all-but parser errors.
Unknown,
/// A parser error.
ParserError(ParserError),
}
impl From<ParserError> for LanguageIdentifierError {
fn from(error: ParserError) -> LanguageIdentifierError {
LanguageIdentifierError::ParserError(error)
}
}
impl Error for LanguageIdentifierError {}
impl Display for LanguageIdentifierError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
LanguageIdentifierError::Unknown => write!(f, "Unknown error"),
LanguageIdentifierError::ParserError(p) => write!(f, "Parser error: {}", p),
}
}
}