{"ast_node_type":"function","tokens":[{"end":88,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn demand_eqtype(&self, sp: Span, expected: Ty<'tcx>, actual: Ty<'tcx>) {
        if let Err(err) = self.demand_eqtype_diag(sp, expected, actual) {