Dandandan commented on a change in pull request #353:
URL: https://github.com/apache/arrow-rs/pull/353#discussion_r642837631
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File path: arrow/src/array/builder.rs
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@@ -1246,6 +1247,33 @@ impl<OffsetSize: StringOffsetSizeTrait>
GenericStringBuilder<OffsetSize> {
Ok(())
}
+ /// Appends a UTF-8 slice into the builder.
+ ///
+ /// Automatically calls the `append` method to delimit the slice appended
in as a
+ /// distinct array element.
+ #[inline]
+ pub fn append_slice(&mut self, value: &[u8]) -> Result<()> {
+ // Do not append invalid UTF-8
+ from_utf8(value).or(Err(ArrowError::InvalidArgumentError(
Review comment:
I think this `or` should be using `or_else` here otherwise the error
path is always evaluated
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