Paul Taylor created ARROW-4580:
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Summary: [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
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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