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https://issues.apache.org/jira/browse/ARROW-4580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661603#comment-17661603
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Rok Mihevc commented on ARROW-4580:
-----------------------------------
This issue has been migrated to [issue
#21124|https://github.com/apache/arrow/issues/21124] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [JS] Accept Iterables in IntVector/FloatVector from() signatures
> ----------------------------------------------------------------
>
> Key: ARROW-4580
> URL: https://issues.apache.org/jira/browse/ARROW-4580
> Project: Apache Arrow
> Issue Type: Improvement
> Components: JavaScript
> Affects Versions: JS-0.4.0
> Reporter: Paul Taylor
> Assignee: Paul Taylor
> Priority: Major
> Fix For: JS-0.4.1
>
>
> Right now {{IntVector.from()}} and {{FloatVector.from()}} expect the data is
> already in typed-array form. But if we know the desired Vector type before
> hand (e.g. if {{Int32Vector.from()}} is called), we can accept any JS
> iterable of the values.
> In order to do this, we should ensure {{Float16Vector.from()}} properly
> clamps incoming f32/f64 values to u16s, in case the source is a vanilla
> 64-bit JS float.
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