#![deny(deprecated)] use pyo3::prelude::*; #[pyfunction(_opt = "None", x = "5")] fn function_with_args(_opt: Option, _x: i32) {} #[pyfunction] fn function_with_required_after_option(_opt: Option, _x: i32) {} #[pyclass] struct MyClass; #[pymethods] impl MyClass { #[args(_opt = "None", x = "5")] fn function_with_args(&self, _opt: Option, _x: i32) {} #[args(_has_default = 1)] fn default_arg_before_required_deprecated(&self, _has_default: isize, _required: isize) {} } fn main() { function_with_required_after_option(None, 0); function_with_args(None, 0); }