syntax_data: {"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let size = Integer::from_int_ty(&self.tcx, *ity).size();
context_before:             ty::Int(ity) => {
context_after:                 (size.signed_int_min(), size.signed_int_max() as u128)