{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"let"}]}
                let array_ty = Ty::new_array_with_const_len(bx.tcx(), operand.layout.ty, len_const);
                let operand = self.codegen_operand(bx, elem);
                let array_ty = self.monomorphize(array_ty);