Mycchaka Kleinbort

Add pl.Expr.struct.unnest()

8

### Description Structs are a fantastic data type, and I like working with them. However, I don't know a way to easily expand a struct column into multiple columns without...

Struct fields get cast to Utf8 during arithmetic operations

1

### Checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars. ###...

A way to combine multiple expressions held in a python data structure into a single expression

7

### Description Currently there is no easy way to apply operations to a group of expressions. Consider: ```python df = pl.DataFrame({'x':[1,2,3], 'y':[1,2,3]}) expr1 = pl.col('x').add(1) expr2 = pl.col('y').pow(2) expressions =...