syntax_data: {"ast_node_type":"variable","tokens":[{"end":78,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let data = int.to_bits(self.tcx().data_layout.pointer_size());
context_before:             ty::Ref(..) | ty::RawPtr(_, _) | ty::FnPtr(..) => {
context_after:                 self.typed_value(