andygrove opened a new issue, #3591:
URL: https://github.com/apache/arrow-datafusion/issues/3591
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
Our imports are very inconsistent and are not currently formatted by `cargo
fmt` other than reordering within groups.
**Describe the solution you'd like**
I would like to add a `rustfmt.toml` with these settings:
``` toml
merge_imports = true
group_imports = "StdExternalCrate"
```
Here is an example of imports formatted with this settings:
```
use std::{
collections::{HashMap, HashSet},
convert::TryFrom,
fmt::{Display, Formatter},
sync::Arc,
};
use arrow::{
compute::can_cast_types,
datatypes::{DataType, Field, Schema, SchemaRef},
};
use crate::{
error::{DataFusionError, Result, SchemaError},
field_not_found, Column,
};
```
To minimize disruption, we could do this one crate or module at a time.
**Describe alternatives you've considered**
None
**Additional context**
None
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