{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
                let array_ty = self.monomorphize(array_ty);
                let array_ty = Ty::new_array_with_const_len(bx.tcx(), operand.layout.ty, len_const);
                let array_layout = bx.layout_of(array_ty);