polars arg-true for dataframe

Returns indexes where values are true.

Signature

> polars arg-true {flags}

Input/output types:

inputoutput
polars_dataframepolars_dataframe
polars_lazyframepolars_lazyframe

Examples

Returns indexes where values are true

> [false true false] | polars into-df | polars arg-true
╭───┬──────────╮
│ # │ arg_true │
├───┼──────────┤
│ 0 │        1 │
╰───┴──────────╯