Function repeat

scripts/test_stringzilla.hpp:192–196

}

inline std::string repeat(std::string const &patten, std::size_t count) noexcept(false) {
    std::string result(patten.size() * count, '\0');
    for (std::size_t i = 0; i < count; ++i) std::copy(patten.begin(), patten.end(), result.begin() + i * patten.size());
    return result;
}

/**
 *  @brief Randomly slices a string into consecutive parts and passes those to @p slice_callback.