update doc example

Signed-off-by: remzi <[email protected]>
apache · Mar 12, 2022 · 004ed94 · 004ed94
1 parent e5fa7ee
commit 004ed94
Showing 1 changed file with 26 additions and 36 deletions.
diff --git a/arrow/src/array/array_list.rs b/arrow/src/array/array_list.rs
@@ -345,42 +345,32 @@ pub type LargeListArray = GenericListArray<i64>;
 /// # Example
 ///
 /// ```
-///     # use arrow::array::{Array, ArrayData, FixedSizeListArray, Int32Array};
-///     # use arrow::datatypes::{DataType, Field};
-///     # use arrow::buffer::Buffer;
-///     // Construct a value array
-///     let value_data = ArrayData::builder(DataType::Int32)
-///         .len(9)
-///         .add_buffer(Buffer::from_slice_ref(&[0, 1, 2, 3, 4, 5, 6, 7, 8]))
-///         .build()
-///         .unwrap();
-////     // Construct a list array from the above two
-///     let list_data_type = DataType::FixedSizeList(
-///         Box::new(Field::new("item", DataType::Int32, false)),
-///         3,
-///     );
-///     let list_data = ArrayData::builder(list_data_type.clone())
-///         .len(3)
-///         .add_child_data(value_data.clone())
-///         .build()
-///         .unwrap();
-///     let list_array = FixedSizeListArray::from(list_data);
-///     let values = list_array.values();
-///     assert_eq!(&value_data, values.data());
-///     assert_eq!(DataType::Int32, list_array.value_type());
-///     assert_eq!(3, list_array.len());
-///     assert_eq!(0, list_array.null_count());
-///     assert_eq!(6, list_array.value_offset(2));
-///     assert_eq!(3, list_array.value_length());
-///     assert_eq!(
-///         5,
-///         list_array
-///             .value(1)
-///             .as_any()
-///             .downcast_ref::<Int32Array>()
-///             .unwrap()
-///             .value(2)
-///     );
+/// # use arrow::array::{Array, ArrayData, FixedSizeListArray, Int32Array};
+/// # use arrow::datatypes::{DataType, Field};
+/// # use arrow::buffer::Buffer;
+/// // Construct a value array
+/// let value_data = ArrayData::builder(DataType::Int32)
+///     .len(9)
+///     .add_buffer(Buffer::from_slice_ref(&[0, 1, 2, 3, 4, 5, 6, 7, 8]))
+///     .build()
+///     .unwrap();
+/// let list_data_type = DataType::FixedSizeList(
+///     Box::new(Field::new("item", DataType::Int32, false)),
+///     3,
+/// );
+/// let list_data = ArrayData::builder(list_data_type.clone())
+///     .len(3)
+///     .add_child_data(value_data.clone())
+///     .build()
+///     .unwrap();
+/// let list_array = FixedSizeListArray::from(list_data);
+/// let list0 = list_array.value(0);
+/// let list1 = list_array.value(1);
+/// let list2 = list_array.value(2);
+///
+/// assert_eq!( &[0, 1, 2], list0.as_any().downcast_ref::<Int32Array>().unwrap().values());
+/// assert_eq!( &[3, 4, 5], list1.as_any().downcast_ref::<Int32Array>().unwrap().values());
+/// assert_eq!( &[6, 7, 8], list2.as_any().downcast_ref::<Int32Array>().unwrap().values());
 /// ```
 ///
 /// For non generic lists, you may wish to consider using