liukun4515 commented on code in PR #2650:
URL: https://github.com/apache/arrow-rs/pull/2650#discussion_r963227230
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arrow/src/compute/kernels/arity.rs:
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@@ -83,6 +84,41 @@ where
PrimitiveArray::<O>::from(data)
}
+/// A overflow-checking variant of `unary`.
+pub(crate) fn unary_checked<I, F, O>(
+ array: &PrimitiveArray<I>,
+ op: F,
+) -> Result<PrimitiveArray<O>>
+where
+ I: ArrowPrimitiveType,
+ O: ArrowPrimitiveType,
+ F: Fn(I::Native) -> Option<O::Native>,
+ I::Native: ArrowNativeTypeOp,
Review Comment:
The result of `add_check` is `Option`, you use the `Option` as the result of
`F`.
But the in the below logic, you will check the Option.
If the option is None, will return a error.
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