syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"Rvalue::Ref(this.tcx.lifetimes.re_erased,"}]}
source_snippet:             Rvalue::Ref(this.tcx.lifetimes.re_erased, borrow_kind, arg_place),
context_before:             Place::from(temp),
context_after:         );