joe-ucp commented on code in PR #8876:
URL: https://github.com/apache/arrow-rs/pull/8876#discussion_r2543784014
##########
arrow-array/src/array/boolean_array.rs:
##########
@@ -284,6 +284,52 @@ impl BooleanArray {
pub fn into_parts(self) -> (BooleanBuffer, Option<NullBuffer>) {
(self.values, self.nulls)
}
+
+ /// Apply a bitwise unary operation to this array, returning a new array.
+ ///
+ /// The operation is applied to the values, and nulls are cloned.
+ ///
+ /// # Arguments
+ ///
+ /// * `op` - The unary operation to apply.
+ pub fn unary<F>(&self, op: F) -> Self
+ where
+ F: Fn(u64) -> u64 + Copy,
Review Comment:
Good catch, thanks! I’ll update BooleanArray::unary to use FnMut(u64) -> u64
to match the bitwise helper signatures.
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