[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Buffer](https://evolu.dev/docs/api-reference/common/Buffer) › concatBytes

```ts
function concatBytes(...arrays: Uint8Array<ArrayBufferLike>[]): Uint8Array;
```

Defined in: node_modules/.bun/@noble+ciphers@2.1.1/node_modules/@noble/ciphers/utils.d.ts:72

Copies several Uint8Arrays into one.