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# encode(_:using:)

Encodes each element of the column.

```
mutating func encode<T, Encoder>(_ type: T.Type, using encoder: Encoder) throws where T : Encodable, Encoder : TopLevelEncoder
```

## Parameters

`type`

The type of elements in the column.

`encoder`

An encoder.

## Discussion> Throws: `ColumnEncodingError` if an element fails to encode.

---

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