{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn expr_err(&mut self, span: Span, guar: ErrorGuaranteed) -> hir::Expr<'hir> {
    /// Construct `ExprKind::Err` for the given `span`.
        self.expr(span, hir::ExprKind::Err(guar))