TimDiekmann opened a new issue #1353:
URL: https://github.com/apache/arrow-rs/issues/1353
Given the same example as in #1352, it's not possible to specify the `Field`
of the nested type.
I expect to have a `Field` definition like
```rust
let inner_field = Field::new("part", DataType::UInt8, false);
let outer_field = Field::new(
"ip-address",
DataType::FixedSizeList(Box::new(inner_field), 4),
true,
);
```
Notable things:
- `inner_field` is not nullable
- `inner_field` is called `"part"`
When using the `FixedSizeListBuilder`, the `finish()` method will generate
the `Field` hardcoded:
```rust
Field::new("item", self.datatype, true);
```
## Proposed solution
Add a way to specify the inner field
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