syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"span_bug!(span,"}]}
source_snippet:                 span_bug!(span, "invalid type for {kind:?}: {:#?}", ty.kind())
context_before:             let ty::Adt(def, args) = ty.kind() else {
context_after:             };