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doc: explain native external types #31214

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doc: explain native external types #31214

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doc: explain native external types
HarshithaKP Jan 6, 2020
ccb8109
fixup: address review comment
HarshithaKP Jan 7, 2020
c9a6bea
fixup: address review comments
HarshithaKP Jan 8, 2020
454be73
fixup: add back removed line.
HarshithaKP Jan 8, 2020
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5 changes: 5 additions & 0 deletions doc/api/util.md
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Expand Up @@ -1392,6 +1392,11 @@ added: v10.0.0
* Returns: {boolean}

Returns `true` if the value is a native `External` value.
A native `External` value is a special type of object whose
data is not stored within the JavaScript managed heap
and does not conform to standard JavaScript types. Such
objects are created either by Node.js internals or native
addons and are wrapped by a JavaScript object.

### `util.types.isFloat32Array(value)`
<!-- YAML
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