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##### basic_static_string::find_last_not_of (2 of 5 overloads)

Find the last occurrence of a character not within the string.

###### Synopsis

    template<
        size_t M>
    constexpr basic_static_string::size_type
    find_last_not_of(
        const basic_static_string< M, CharT, Traits >& str,
        basic_static_string::size_type pos = basic_static_string::npos) const noexcept;

###### Description

Finds the last occurrence of a character that is not within `str` within the string before or at the index `pos`.

###### Complexity

Linear.

###### Return Value

The index corrosponding to the last character of `{begin(), begin() + pos}` that is not within `str` if it exists, and `npos` otherwise.

###### Parameters

Name | Description
--- | ---
`str` | The characters to ignore.
`pos` | The index to stop searching at. The default argument for this parameter is `npos`.