Method titlecase

subprojects/llama.cpp/common/jinja/string.cpp:146–162

    });
}
string string::titlecase() {
    return apply_transform(*this, [](const std::string & s) {
        std::string res = s;
        bool capitalize_next = true;
        for (char &c : res) {
            if (isspace(static_cast<unsigned char>(c))) {
                capitalize_next = true;
            } else if (capitalize_next) {
                c = ::toupper(static_cast<unsigned char>(c));
                capitalize_next = false;
            } else {
                c = ::tolower(static_cast<unsigned char>(c));
            }
        }
        return res;
    });
}
string string::strip(bool left, bool right, std::optional<const std::string_view> chars) {
    static auto strip_part = [](const std::string & s, bool left, bool right, std::optional<const std::string_view> chars) -> std::string {
        size_t start = 0;