viirya commented on code in PR #2442:
URL: https://github.com/apache/arrow-rs/pull/2442#discussion_r948200688
##########
arrow/src/array/array_decimal.rs:
##########
@@ -475,8 +473,8 @@ impl<Ptr: Into<Decimal256>> FromIterator<Option<Ptr>> for
Decimal256Array {
}
}
-impl<Ptr: Borrow<Option<i128>>> FromIterator<Ptr> for Decimal128Array {
- fn from_iter<I: IntoIterator<Item = Ptr>>(iter: I) -> Self {
+impl<Ptr: Into<i128>> FromIterator<Option<Ptr>> for Decimal128Array {
Review Comment:
I think it is okay. We could add some adapter for `FromIterator` for decimal
arrays. I will do it in another PR.
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