syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"adt_def_span.unwrap_or_else(||"}]}
source_snippet:         adt_def_span.unwrap_or_else(|| tcx.def_span(def.did()))
context_before:     let adt_def_span = if point_at_non_local_ty {
context_after:     } else {