Method GetAliveCount

tutorials/common/imgui/imgui_internal.h:672–672

To iterate a ImPool: for (int n = 0; n < pool.GetMapSize(); n++) if (T* t = pool.TryGetMapData(n)) { ... } Can be avoided if you know .Remove() has never been called on the pool, or AliveCount == GetMapSize()

    // To iterate a ImPool: for (int n = 0; n < pool.GetMapSize(); n++) if (T* t = pool.TryGetMapData(n)) { ... }
    // Can be avoided if you know .Remove() has never been called on the pool, or AliveCount == GetMapSize()
    int         GetAliveCount() const               { return AliveCount; }      // Number of active/alive items in the pool (for display purpose)
    int         GetBufSize() const                  { return Buf.Size; }
    int         GetMapSize() const                  { return Map.Data.Size; }   // It is the map we need iterate to find valid items, since we don't have "alive" storage anywhere
    T*          TryGetMapData(ImPoolIdx n)          { int idx = Map.Data[n].val_i; if (idx == -1) return NULL; return GetByIndex(idx); }