{{alias}}( str )
    Trims whitespace from the beginning of a `string`.

    "Whitespace" is defined as the following characters:

    - \f
    - \n
    - \r
    - \t
    - \v
    - \u0020
    - \u00a0
    - \u1680
    - \u2000-\u200a
    - \u2028
    - \u2029
    - \u202f
    - \u205f
    - \u3000
    - \ufeff

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

    Returns
    -------
    out: string
        Trimmed string.

    Examples
    --------
    > var out = {{alias}}( ' \r\n\t  Beep \t\t\n  ' )
    'Beep \t\t\n  '

    See Also
    --------