Method _meta

dask/dataframe/dask_expr/_expr.py:2003–2005

(self)

    @functools.cached_property
    def _meta(self):
        args = [op._meta if isinstance(op, Expr) else op for op in self._args]
        return make_meta(self.operation(*args, **self._kwargs))

    def _tree_repr_argument_construction(self, i, op, header):
        if i == 0: