For use by packages that mimic/divert auto printing e.g. IRkernel and knitr

Not for use by users. Exported only for use by IRkernel (Jupyter) and knitr.

shouldPrint(x)

Arguments

x	A data.table.

Details

Should IRkernel/Jupyter print a data.table returned invisibly by DT[,:=] ? This is a read-once function since it resets an internal flag. If you need the value more than once in your logic, store the value from the first call.

Value

TRUE or FALSE.

References

https://github.com/IRkernel/IRkernel/issues/127
https://github.com/Rdatatable/data.table/issues/933