[datatable-help] dt[, 0, with=FALSE] doesn't return an empty data.table

[Frank Erickson]

Hi,

In answering this question
http://stackoverflow.com/q/30062012/1191259

...I noticed that
* df[,0] gives an empty data.frame, but
* dt[,0,with=FALSE] does not give an empty data.table.

Should it? I switched to using `[.listof`(dt,0), which gives my expected
result.

Best,

Frank
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