# LLM Prompt for Documentation

## Documentation

### Utf16

#### from_str

**Type Annotation**

```roc
Str -> Result (List U16) [BadUtf8 Utf8.Utf8Problem]
```

**Description**

Convert a Str to Utf-16.

#### from_str_le

**Type Annotation**

```roc
Str -> Result (List U16) [BadUtf8 Utf8.Utf8Problem]
```

**Description**

Convert a Str to Utf-16 using little-endian byte order.

#### from_str_be

**Type Annotation**

```roc
Str -> Result (List U16) [BadUtf8 Utf8.Utf8Problem]
```

**Description**

Convert a Str to Utf-16 using big-endian byte order.

#### to_utf8

**Type Annotation**

```roc
List U16 -> Result (List U8) [BadUtf16 Utf16Problem]
```

**Description**

Convert Utf-16 to Utf-8.

#### to_str

**Type Annotation**

```roc
List U16 -> Result Str [BadUtf16 Utf16Problem]
```

**Description**

Convert Utf-16 to Str.

#### from_utf8

**Type Annotation**

```roc
List U8 -> Result (List U16) [BadUtf8 Utf8.Utf8Problem]
```

**Description**

Convert Utf-8 to Utf-16.

#### from_utf8_le

**Type Annotation**

```roc
List U8 -> Result (List U16) [BadUtf8 Utf8.Utf8Problem]
```

**Description**

Convert Utf-8 to Utf-16 using little-endian byte order.

#### from_utf8_be

**Type Annotation**

```roc
List U8 -> Result (List U16) [BadUtf8 Utf8.Utf8Problem]
```

**Description**

Convert Utf-8 to Utf-16 using big-endian byte order.

#### from_codepoints

**Type Annotation**

```roc
List U32 -> List U16
```

**Description**

Convert a list of unicode codepoints to a list of Utf-16 code units.

#### to_codepoints

**Type Annotation**

```roc
List U16 -> Result (List U32) [BadUtf16 Utf16Problem]
```

**Description**

Convert a list of Utf-16 codeunits to unicode codepoints.