{{alias}}( value )
    Tests if a value is a function.

    Parameters
    ----------
    value: any
        Value to test.

    Returns
    -------
    bool: boolean
        Boolean indicating whether value is a function.

    Examples
    --------
    > function beep() {};
    > var bool = {{alias}}( beep )
    true
    > bool = {{alias}}( {} )
    false

    See Also
    --------