Method indexOf

valdi_core/src/valdi_core/cpp/Utils/StringBox.cpp:87–94

}

std::optional<size_t> StringBox::indexOf(char character) const noexcept {
    auto index = toStringView().find(character);
    if (index == std::string_view::npos) {
        return std::nullopt;
    }

    return {index};
}

std::optional<size_t> StringBox::lastIndexOf(char character) const noexcept {
    auto index = toStringView().rfind(character);