Deephaven OperationControl
OperationControl.RdAn OperationControl is the return type of Deephaven's op_control function. It is a function that
determines how special values will be handled in the context of an update_by operation.
An OperationControl is intended to be passed directly to a uby function, and should never be instantiated
directly be user code.
If you plan to use the same operation control parameters for multiple uby functions in one or more update_by calls,
consider creating an OperationControl object and reusing it. For example: