Method slot_new

crates/vm/src/builtins/complex.rs:189–202

(cls: PyTypeRef, func_args: FuncArgs, vm: &VirtualMachine)

    type Args = ComplexArgs;

    fn slot_new(cls: PyTypeRef, func_args: FuncArgs, vm: &VirtualMachine) -> PyResult {
        // Optimization: return exact complex as-is (only when imag is not provided)
        if cls.is(vm.ctx.types.complex_type)
            && func_args.args.len() == 1
            && func_args.kwargs.is_empty()
            && func_args.args[0].class().is(vm.ctx.types.complex_type)
        {
            return Ok(func_args.args[0].clone());
        }

        let args: Self::Args = func_args.bind(vm)?;
        let payload = Self::py_new(&cls, args, vm)?;
        payload.into_ref_with_type(vm, cls).map(Into::into)
    }

    fn py_new(_cls: &Py<PyType>, args: Self::Args, vm: &VirtualMachine) -> PyResult<Self> {
        let imag_missing = args.imag.is_missing();