alamb commented on code in PR #7051:
URL: https://github.com/apache/arrow-rs/pull/7051#discussion_r1938279517
##########
arrow-schema/src/datatype.rs:
##########
@@ -458,7 +458,16 @@ pub enum UnionMode {
impl fmt::Display for DataType {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- write!(f, "{self:?}")
+ match self {
+ DataType::List(field) => {
Review Comment:
Right -- so if `field.name() != "item"` perhaps it could look like
```
List(Int8;N, field='foo')
```
Likewise, if there is metadata I think it should also be displayed like
```
List(Int8;N, field='foo', metadata)
```
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