viirya commented on code in PR #8578:
URL: https://github.com/apache/arrow-datafusion/pull/8578#discussion_r1432004965
##########
datafusion/expr/src/udf.rs:
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@@ -124,22 +169,126 @@ impl ScalarUDF {
&self.aliases
}
- /// Returns this function's signature (what input types are accepted)
+ /// Returns this function's [`Signature`] (what input types are accepted)
pub fn signature(&self) -> &Signature {
&self.signature
}
- /// Return the type of the function given its input types
+ /// The datatype this function returns given the input argument input types
Review Comment:
?
```suggestion
/// The datatype this function returns given the input argument types
```
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