Method byteswap

crates/stdlib/src/array.rs:569–571

(self)

                .map_err(|_| vm.new_type_error("array item must be unicode character"))
        }
        fn byteswap(self) -> Self {
            Self(self.0.swap_bytes())
        }
        fn to_object(self, _vm: &VirtualMachine) -> PyObjectRef {
            unreachable!()
        }