(func)
return selector(func, signature=b"v@:@")
Return an Objective-C method object that can be used as an action
    in Interface Builder.
Return an Objective-C method object that can be used as an action
    in Interface Builder.
Return an Objective - C method object that can be used as an action in Interface Builder .
def IBAction(func):
    """
    Return an Objective-C method object that can be used as an action
    in Interface Builder.
    """
    if func is None:
        raise TypeError("IBAction argument must be a callable")
    return selector(func, signature=b"v@:@")
def IBAction ( func ) : if func is None : raise TypeError ( "IBAction argument must be a callable" ) return selector ( func , signature = b"v@:@" )