# Capitalize

`import { Capitalize } from "destack:types";`

Map each string in `S` to capitalize its first character.

```ds title="Capitalize"
export type Capitalize<S: string> = intrinsic
```

[language/library/src/types/string.ds:11](https://github.com/destack-sh/destack/blob/main/language/library/src/types/string.ds#L11)