So it can be used when we need to paste some strings are write to csv later. We can avoid pasting them in R. Use case explained in https://github.com/Rdatatable/data.table/issues/4572#issuecomment-731603120
So it can be used when we need to paste some strings are write to csv later. We can avoid pasting them in R.
Use case explained in #4572 (comment)