
{{alias}}( a, b )
    Returns the excess kurtosis of an arcsine distribution.

    If provided `NaN` as any argument, the function returns `NaN`.

    If provided `a >= b`, the function returns `NaN`.

    Parameters
    ----------
    a: number
        Minimum support.

    b: number
        Maximum support.

    Returns
    -------
    out: number
        Excess kurtosis.

    Examples
    --------
    > var v = {{alias}}( 0.0, 1.0 )
    -1.5
    > v = {{alias}}( 4.0, 12.0 )
    -1.5
    > v = {{alias}}( 2.0, 8.0 )
    -1.5

    See Also
    --------

