Method GetIntRef

ImGUI GLFW Tutorial/imgui/imgui.cpp:1942–1948

References are only valid until a new value is added to the storage. Calling a Set***() function or a Get***Ref() function invalidates the pointer.

// References are only valid until a new value is added to the storage. Calling a Set***() function or a Get***Ref() function invalidates the pointer.
int* ImGuiStorage::GetIntRef(ImGuiID key, int default_val)
{
    ImGuiStoragePair* it = LowerBound(Data, key);
    if (it == Data.end() || it->key != key)
        it = Data.insert(it, ImGuiStoragePair(key, default_val));
    return &it->val_i;
}

bool* ImGuiStorage::GetBoolRef(ImGuiID key, bool default_val)
{