{{alias}}( str )
    Splits a string by its grapheme cluster breaks.

    Parameters
    ----------
    str: string
        Input string.

    Returns
    -------
    out: Array<string>
        Array of grapheme clusters.

    Examples
    --------
    > var out = {{alias}}( 'Hello!' )
    [ 'H', 'e', 'l', 'l', 'o', '!' ]
    > out = {{alias}}( '𠮷' )
    [ '𠮷' ]
    > out = {{alias}}( '' )
    []

    See Also
    --------