{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"struct_span_code_err!(self.dcx(),"}]}
        struct_span_code_err!(self.dcx(), span, E0594, "cannot assign to {}", desc)
    pub(crate) fn cannot_assign(&self, span: Span, desc: &str) -> Diag<'infcx> {
    }