syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"(Err(index1),"}]}
source_snippet:             (Err(index1), Err(index2)) => with_span_interner(|interner| {
context_before:             (Ok(_), Err(_)) | (Err(_), Ok(_)) => false,
context_after:                 interner.spans[index1].ctxt == interner.spans[index2].ctxt