{{alias}}( str )
    Returns the number of code points in a string.

    Parameters
    ----------
    str: string
        Input string.

    Returns
    -------
    out: string
        Number of code points.

    Examples
    --------
    > var out = {{alias}}( 'beep' )
    4
    > out = {{alias}}( '六' )
    1

    See Also
    --------