syntax_data: {"ast_node_type":"function","tokens":[{"end":34,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let pin_fut_new_unchecked_fn =
context_before:     let fut_ref_place = Place::from(body.local_decls.push(LocalDecl::new(fut_ref_ty, span)));
context_after:         Ty::new_fn_def(tcx, tcx.require_lang_item(LangItem::PinNewUnchecked, span), [fut_ref_ty]);