23 lines
384 B
Markdown
23 lines
384 B
Markdown
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# Functions
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<a id="createextension"></a>
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## createExtension
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▸ **createExtension**(key: *`Uint8Array`*): `Uint8Array`
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*Defined in [stream/createExtension.ts:7](https://github.com/polkadot-js/common/blob/63daf66/packages/trie-codec/src/stream/createExtension.ts#L7)*
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**Parameters:**
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| Name | Type |
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| ------ | ------ |
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| key | `Uint8Array` |
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**Returns:** `Uint8Array`
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___
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