# finite

Creates a [finite](https://en.wikipedia.org/wiki/Finite) validation action.

```ts
const Action = v.finite<TInput, TMessage>(message);
```

## Generics

- `TInput` <Property {...properties.TInput} />
- `TMessage` <Property {...properties.TMessage} />

## Parameters

- `message` <Property {...properties.message} />

### Explanation

With `finite` you can validate the value of a number. If the input is not a finite number, you can use `message` to customize the error message.

## Returns

- `Action` <Property {...properties.Action} />

## Examples

The following examples show how `finite` can be used.

### Finite number schema

Schema to validate a finite number.

```ts
const FiniteNumberSchema = v.pipe(
  v.number(),
  v.finite('The number must be finite.')
);
```

## Related

The following APIs can be combined with `finite`.

### Schemas

<ApiList items={['any', 'custom', 'number', 'unknown']} />

### Methods

<ApiList items={['pipe']} />

### Utils

<ApiList items={['isOfKind', 'isOfType']} />