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

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

    x: Function
        Function to invoke if a condition is truthy.

    y: Function
        Function to invoke if a condition is falsy.

    Returns
    -------
    z: any
        Return value of either `x` or `y`.

    Examples
    --------
    > function x() { return 1.0; };
    > function y() { return -1.0; };
    > var z = {{alias}}( true, x, y )
    1.0
    > z = {{alias}}( false, x, y )
    -1.0

    See Also
    --------