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Syntax lookup: type #240

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Mar 9, 2021
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Syntax lookup: type #240

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49 changes: 49 additions & 0 deletions misc_docs/syntax/language_type.mdx
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---
id: "type"
keywords: ["type"]
name: "type"
summary: "This is the `type` keyword"
category: "languageconstructs"
---

The `type` keyword is used to declare a _type_, including [Records](/docs/manual/latest/record), [Variants](/docs/manual/latest/variant) and [Polymorphic Variants](/docs/manual/latest/polymorphic-variant).

### Example

<CodeTab labels={["ReScript", "JS Output"]}>

```res
type location = {
name: string,
coordinates: (float, float),
keywords: array<string>,
}

let uluru: location = {
name: "Uluru",
coordinates: (-25.344490, 131.035431),
keywords: ["Rock", "Australia"],
}
```

```js
var uluru_coordinates = [-25.34449, 131.035431];

var uluru_keywords = ["Rock", "Australia"];

var uluru = {
name: "Uluru",
coordinates: uluru_coordinates,
keywords: uluru_keywords,
};
```

</CodeTab>

### References

* [ReScript Types](/docs/manual/latest/type)
* [Record Types](/docs/manual/latest/record)
* [Variant Types](/docs/manual/latest/variant)
* [Polymorphic Variant Types](/docs/manual/latest/polymorphic-variant)