vertexclique commented on a change in pull request #8701:
URL: https://github.com/apache/arrow/pull/8701#discussion_r526013126
##########
File path: rust/arrow/src/compute/kernels/boolean.rs
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@@ -111,7 +111,22 @@ pub fn not(left: &BooleanArray) -> Result<BooleanArray> {
Ok(BooleanArray::from(Arc::new(data)))
}
-pub fn is_null(input: &ArrayRef) -> Result<BooleanArray> {
+/// Returns a non-null [BooleanArray] with whether each value of the array is
null.
+/// # Error
+/// This function never errors.
+/// # Example
+/// ```rust
Review comment:
What I do in doctests and comments is give a space between each of them
like:
```suggestion
/// # Error
///
/// This function never errors.
///
/// # Example
///
/// ```rust
```
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