{{alias}}( iterator )
    Computes an arithmetic mean over all iterated values.

    Parameters
    ----------
    iterator: Object
        Input iterator.

    Returns
    -------
    out: number|null
        Arithmetic mean.

    Examples
    --------
    > var arr = {{alias:@stdlib/array/to-iterator}}( [ 1.0, 2.0, 3.0, 4.0 ] );
    > var m = {{alias}}( arr )
    2.5

    See Also
    --------