alamb commented on code in PR #8293:
URL: https://github.com/apache/arrow-datafusion/pull/8293#discussion_r1401148848
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datafusion/common/src/utils.rs:
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@@ -390,6 +391,27 @@ pub fn arrays_into_list_array(
))
}
+/// Get the base type of a data type.
+///
+/// Example
+/// ```
+/// use arrow::datatypes::{DataType, Field};
+/// use datafusion_common::utils::base_type;
+/// use std::sync::Arc;
+///
+/// let data_type = DataType::List(Arc::new(Field::new("item",
DataType::Int32, true)));
+/// let base_type = base_type(&data_type);
+/// assert_eq!(base_type, DataType::Int32);
+pub fn base_type(data_type: &DataType) -> DataType {
Review Comment:
```suggestion
/// ```
pub fn base_type(data_type: &DataType) -> DataType {
```
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