Function find_index

imperative/src/impl/proxy_graph/mini_graph.h:20–23

template <typename C, typename E>
std::pair<bool, size_t> find_index(const C& container, const E& item) {
    auto&& it = std::find(container.begin(), container.end(), item);
    return {it != container.end(), it - container.begin()};
}

template <typename T, typename = void>
class TensorAdaptor;