Method fmt

leanr-syntax/src/parser.rs:24–26

(&self, f: &mut fmt::Formatter<'_>)

impl fmt::Display for ParseError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "Parse error at {}: {}", self.span, self.message)
    }
}

impl std::error::Error for ParseError {}