pub fn call_function_pointer(
interpreter: &mut Interpreter,
fp: &FunctionPointerObject,
function_name: Option<&str>,
argument_list: &[DataObjectRef],
parent_pos: CodePosition,
) -> OptionDataObjectRef
pub fn call_function_pointer(
interpreter: &mut Interpreter,
fp: &FunctionPointerObject,
function_name: Option<&str>,
argument_list: &[DataObjectRef],
parent_pos: CodePosition,
) -> OptionDataObjectRef