Method find_last_not_of

src/fl/stl/basic_string.cpp.hpp:672–680

// ======= FIND_LAST_NOT_OF =======

fl::size basic_string::find_last_not_of(char c, fl::size pos) const {
    if (mLength == 0) return npos;
    fl::size searchPos = (pos >= mLength || pos == npos) ? (mLength - 1) : pos;
    const char* str = c_str();
    for (fl::size i = searchPos + 1; i > 0; --i) {
        if (str[i - 1] != c) return i - 1;
    }
    return npos;
}

fl::size basic_string::find_last_not_of(const char* s, fl::size pos, fl::size count) const {
    if (!s || count == 0) {