pub fn extract_argument<'a, 'holder, 'py, T, const IMPLEMENTS_FROMPYOBJECT: bool>(
obj: Borrowed<'a, 'py, PyAny>,
holder: &'holder mut T::Holder,
arg_name: &str,
) -> PyResult<T>where
T: PyFunctionArgument<'a, 'holder, 'py, IMPLEMENTS_FROMPYOBJECT>,Expand description
The standard implementation of how PyO3 extracts a #[pyfunction] or #[pymethod] function argument.