seddonm1 commented on a change in pull request #9359:
URL: https://github.com/apache/arrow/pull/9359#discussion_r579863202
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File path: rust/datafusion/src/physical_plan/functions.rs
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@@ -71,6 +71,8 @@ pub enum Signature {
Exact(Vec<DataType>),
/// fixed number of arguments of arbitrary types
Any(usize),
+ /// One of a list of signatures
+ OneOf(Vec<Signature>),
Review comment:
Yes, I missed this but all good. This is actually better :D
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