They are free to use the SPL Operator Code Generation API just to get the specified window policy for a given operator instance .
In the C++ implementation , developers have no obligation to use the window library ( the preferred practice is to use library ) .
developers are free to use the SPL Operator Code Generation API just to get the specified window policy for a given operator instance .
In the C++ implementation , developers have no obligation to use the window library ( the preferred practice is to use library ) .