Jimexist commented on a change in pull request #275:
URL: https://github.com/apache/arrow-rs/pull/275#discussion_r632228845
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File path: arrow/src/compute/kernels/arity.rs
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@@ -72,3 +73,37 @@ where
let data = into_primitive_array_data::<_, O>(array, buffer);
PrimitiveArray::<O>::from(data)
}
+
+/// Applies a nullary and infalible function to generate a primitive array.
+/// You should use this instead of the vectorized version when each generated
value is different.
+pub fn nullary<F, O>(size: usize, op: F) -> PrimitiveArray<O>
Review comment:
happy to close this PR if not needed.
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