syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"with_span_interner(|interner|"}]}
source_snippet:             with_span_interner(|interner| interner.intern(&SpanData { lo, hi, ctxt, parent }))
context_before:         let index = |ctxt| {
context_after:         };