Xuanwo commented on code in PR #231:
URL: https://github.com/apache/iceberg-rust/pull/231#discussion_r1519132180
##########
crates/iceberg/src/expr/predicate.rs:
##########
@@ -55,6 +60,24 @@ impl<T, const N: usize> LogicalExpression<T, N> {
}
}
+impl<T: Bind, const N: usize> Bind for LogicalExpression<T, N>
+where
+ T::Bound: Sized,
+{
+ type Bound = LogicalExpression<T::Bound, N>;
+
+ fn bind(self, schema: SchemaRef, case_sensitive: bool) ->
Result<Self::Bound> {
+ let mut outputs: [Option<Box<T::Bound>>; N] = array_init(|_| None);
+ for (i, input) in self.inputs.into_iter().enumerate() {
+ outputs[i] = Some(Box::new(input.bind(schema.clone(),
case_sensitive)?));
+ }
+
+ // It's safe to use `unwrap` here since they are all `Some`.
Review Comment:
How about using `MaybeUninit`?
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