syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"self.typeck_results.type_dependent_def(expr.hir_id).unwrap_or_else(||"}]}
source_snippet:                     self.typeck_results.type_dependent_def(expr.hir_id).unwrap_or_else(|| {
context_before:                 let (kind, def_id) =
context_after:                         span_bug!(expr.span, "no type-dependent def for method callee")