datatable.FExpr.__init__()

Create a new dt.FExpr object out of e.

The FExpr serves as a simple wrapper of the underlying object, allowing it to be combined with othef FExprs.

This constructor almost never needs to be run manually by the user.

Parameters

e
None | bool | int | str | float | slice | list | tuple | dict | type | stype | ltype | Generator | FExpr | Frame | range | pd.DataFrame | pd.Series | np.array | np.ma.masked_array

The argument that will be converted into an FExpr.