Method with_span

prqlc/prqlc-parser/src/error.rs:192–195

(mut self, span: Option<Span>)

    }

    fn with_span(mut self, span: Option<Span>) -> Self {
        self.span = span;
        self
    }

    fn with_code(mut self, code: &'static str) -> Self {
        self.code = Some(code);