| polars all-false       | dataframe             | Returns true if all values are false.                                                            |                         |
| polars all-true        | dataframe             | Returns true if all values are true.                                                             | all                     |
| polars append          | dataframe             | Appends a new dataframe.                                                                         |                         |
| polars arg-max         | dataframe             | Return index for max value in series.                                                            |                         |
| polars arg-min         | dataframe             | Return index for min value in series.                                                            |                         |
| polars arg-sort        | dataframe             | Returns indexes for a sorted series.                                                             |                         |
| polars arg-true        | dataframe             | Returns indexes where values are true.                                                           |                         |
| polars arg-unique      | dataframe             | Returns indexes for unique values.                                                               |                         |
| polars arg-where       | any                   | Creates an expression that returns the arguments where expression is true.                       |                         |
| polars as              | expression            | Creates an alias expression.                                                                     |                         |
| polars as-date         | dataframe             | Converts string to date.                                                                         |                         |
| polars as-datetime     | dataframe             | Converts string to datetime.                                                                     |                         |
| polars cache           | dataframe             | Caches operations in a new LazyFrame.                                                            |                         |
| polars cast            | expression, dataframe | Cast a column to a different dtype.                                                              |                         |
| polars col             | any                   | Creates a named column expression.                                                               |                         |
| polars collect         | dataframe             | Collect lazy dataframe into eager dataframe.                                                     |                         |
| polars columns         | dataframe             | Show dataframe columns.                                                                          |                         |
| polars concat-str      | any                   | Creates a concat string expression.                                                              |                         |
| polars concatenate     | dataframe             | Concatenates strings with other array.                                                           |                         |
| polars contains        | dataframe             | Checks if a pattern is contained in a string.                                                    |                         |
| polars count           | expression            | Creates a count expression.                                                                      |                         |
| polars count-null      | dataframe             | Counts null values.                                                                              |                         |
| polars cumulative      | dataframe             | Cumulative calculation for a series.                                                             |                         |