syntax_data: {"ast_node_type":"variable","tokens":[{"end":29,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                     let val =
context_before:                 if let ty::Int(ity) = ct_ty.kind() {
context_after:                         Integer::from_int_ty(&self.tcx, *ity).size().sign_extend(bits) as i128;