Function calcsize

crates/stdlib/src/pystruct.rs:229–231

(fmt: IntoStructFormatBytes, vm: &VirtualMachine)

    #[pyfunction]
    fn calcsize(fmt: IntoStructFormatBytes, vm: &VirtualMachine) -> PyResult<usize> {
        Ok(fmt.format_spec(vm)?.size)
    }

    #[pyattr]
    #[pyclass(name = "Struct", traverse)]