{{alias}}( bool, x, y )
    If a condition is truthy, returns `x`; otherwise, returns `y`.

    Parameters
    ----------
    bool: boolean
        Condition.

    x: any
        Value to return if a condition is truthy.

    y: any
        Value to return if a condition is falsy.

    Returns
    -------
    z: any
        Either `x` or `y`.

    Examples
    --------
    > var z = {{alias}}( true, 1.0, -1.0 )
    1.0
    > z = {{alias}}( false, 1.0, -1.0 )
    -1.0

    See Also
    --------